The voiceless bilabial plosive is a type of consonant

Consonant

In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract. Examples are , pronounced with the lips; , pronounced with the front of the tongue; , pronounced with the back of the tongue; , pronounced in the throat; and ,...

al sound used in many spoken language

Language

Language may refer either to the specifically human capacity for acquiring and using complex systems of communication, or to a specific instance of such a system of complex communication...

s. The symbol in the International Phonetic Alphabet

International Phonetic Alphabet

The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...

 that represents this sound is p, and the equivalent X-SAMPA

X-SAMPA

The Extended Speech Assessment Methods Phonetic Alphabet is a variant of SAMPA developed in 1995 by John C. Wells, professor of phonetics at the University of London. It is designed to unify the individual language SAMPA alphabets, and extend SAMPA to cover the entire range of characters in the...

 symbol is p. The voiceless bilabial plosive in English is spelled with 'p', as in pit or speed.

Features

Features of the voiceless bilabial plosive:

Varieties

IPA	X-SAMPA	Description
p	p	plain p
pʰ	p_h	aspirated Aspiration (phonetics) In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...  p
pʲ	p' (or p_j)	palatalized Palatalization In linguistics, palatalization , also palatization, may refer to two different processes by which a sound, usually a consonant, comes to be produced with the tongue in a position in the mouth near the palate....  p
pʷ	p_w	labialized Labialisation Labialization is a secondary articulatory feature of sounds in some languages. Labialized sounds involve the lips while the remainder of the oral cavity produces another sound. The term is normally restricted to consonants. When vowels involve the lips, they are called rounded.The most common...  p
p̚	p_}	unreleased Unreleased stop An unreleased stop or unreleased plosive is a plosive consonant without an audible release burst. That is, the oral tract is blocked to pronounce the consonant, and there is no audible indication of when that occlusion ends...  p
p̌	p_v	voiced Voice (phonetics) Voice or voicing is a term used in phonetics and phonology to characterize speech sounds, with sounds described as either voiceless or voiced. The term, however, is used to refer to two separate concepts. Voicing can refer to the articulatory process in which the vocal cords vibrate...  p
pʼ	p_>	ejective Ejective consonant In phonetics, ejective consonants are voiceless consonants that are pronounced with simultaneous closure of the glottis. In the phonology of a particular language, ejectives may contrast with aspirated or tenuis consonants...  p

Occurrence

The plosive [p] is missing from about 10% of languages that have a [b]. (See voiced velar plosive

Voiced velar plosive

The voiced velar plosive is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is , and the equivalent X-SAMPA symbol is g. Strictly, the IPA symbol is the so-called "opentail G" , though the "looptail G" is...

 for another such gap.) This is an areal feature

Areal feature (linguistics)

In linguistics, an areal feature is any feature shared by languages within the same geographical area as a consequence of linguistic diffusion....

 of the "circum-Saharan zone" (Africa north of the equator, including the Arabian peninsula

Arabian Peninsula

The Arabian Peninsula is a land mass situated north-east of Africa. Also known as Arabia or the Arabian subcontinent, it is the world's largest peninsula and covers 3,237,500 km2...

). It is not known how old this areal feature is, and whether it might be a recent phenomenon due to Arabic as a prestige language (Arabic lost its /p/ in prehistoric times), or whether Arabic was itself affected by a more ancient areal pattern. It is found in other areas as well; for example, in Europe, Proto-Celtic

Proto-Celtic language

The Proto-Celtic language, also called Common Celtic, is the reconstructed ancestor language of all the known Celtic languages. Its lexis can be confidently reconstructed on the basis of the comparative method of historical linguistics...

 and Old Basque

Basque language

Basque is the ancestral language of the Basque people, who inhabit the Basque Country, a region spanning an area in northeastern Spain and southwestern France. It is spoken by 25.7% of Basques in all territories...

 are both reconstructed as having [b] but no [p].

Nonetheless, the [p] sound is very common cross-linguistically. Most languages have at least a plain [p], and some distinguish more than one variety. Many Indo-Aryan languages

Indo-Aryan languages

The Indo-Aryan languages constitutes a branch of the Indo-Iranian languages, itself a branch of the Indo-European language family...

, such as Hindi

Hindi

Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...

, have a two-way contrast between the aspirated

Aspiration (phonetics)

In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...

 [pʰ] and the plain [p] (transcribed as [p⁼] in extensions to the IPA

Extensions to the IPA

The Extensions to the IPA are extensions of the International Phonetic Alphabet and were designed for disordered speech. However, some of the symbols are occasionally used for transcribing normal speech as well, particularly in certain languages.-Brackets:The Extended IPA for speech pathology has...

).

Examples

Language		Word	IPA International Phonetic Alphabet The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...	Meaning	Notes
Armenian Armenian language The Armenian language is an Indo-European language spoken by the Armenian people. It is the official language of the Republic of Armenia as well as in the region of Nagorno-Karabakh. The language is also widely spoken by Armenian communities in the Armenian diaspora...				'grandpa'
Basque Basque language Basque is the ancestral language of the Basque people, who inhabit the Basque Country, a region spanning an area in northeastern Spain and southwestern France. It is spoken by 25.7% of Basques in all territories...			[harapatu]/[arapatu]	'to catch'
Bengali Bengali language Bengali or Bangla is an eastern Indo-Aryan language. It is native to the region of eastern South Asia known as Bengal, which comprises present day Bangladesh, the Indian state of West Bengal, and parts of the Indian states of Tripura and Assam. It is written with the Bengali script...		পাল Bengali script The Bengali alphabet is the writing system for the Bengali language. The script with variations is used for Assamese and is basis for Meitei, Bishnupriya Manipuri, Kokborok, Garo and Mundari alphabets. All these languages are spoken in the eastern region of South Asia. Historically, the script has...	[pal]	'sail'	Contrasts with aspirated form. See Bengali phonology Bengali phonology Bengali phonology is the study of the inventory and patterns of the consonants, vowels, and prosody of the Bengali language.-Consonants and vowels:The phonemic inventory of Bangla consists of 29 consonants and 14 vowels, including the seven nasalized vowels...
Catalan Catalan language Catalan is a Romance language, the national and only official language of Andorra and a co-official language in the Spanish autonomous communities of Catalonia, the Balearic Islands and Valencian Community, where it is known as Valencian , as well as in the city of Alghero, on the Italian island...			[pərˈɫa]	'to speak'	See Catalan phonology
Chinese Chinese language The Chinese language is a language or language family consisting of varieties which are mutually intelligible to varying degrees. Originally the indigenous languages spoken by the Han Chinese in China, it forms one of the branches of Sino-Tibetan family of languages...	Cantonese	爆/pao	[paːu˧˧]	'to explode'	Contrasts with aspirated form. See Cantonese phonology Cantonese phonology The standard pronunciation of the Cantonese language is that of Guangzhou, also known as Canton, the capital of Guangdong Province. Hong Kong Cantonese is related to the Guangzhou dialect, and the two diverge only slightly...
	Mandarin	爆炸/bàozhà	[pɑʊ˥˩ tʂa˥˩]	'to explode'	Contrasts with aspirated form. See Mandarin phonology Mandarin phonology The phonology of Standard Chinese is reproduced below. Actual production varies widely among speakers, as people inadvertently introduce elements of their native dialects...
Czech Czech language Czech is a West Slavic language with about 12 million native speakers; it is the majority language in the Czech Republic and spoken by Czechs worldwide. The language was known as Bohemian in English until the late 19th century...			[pɛs]	'dog'	See Czech phonology Czech phonology This article discusses the phonological system of the Czech language- Vowels :There are 10 vowel phonemes in Czech. 5 of them are short and 5 are long. The duration of the long vowels is approximately double in comparison with their short counterparts. Long and short vowels form minimal pairs. The...
Dutch Dutch language Dutch is a West Germanic language and the native language of the majority of the population of the Netherlands, Belgium, and Suriname, the three member states of the Dutch Language Union. Most speakers live in the European Union, where it is a first language for about 23 million and a second...			[plɪxt]	'duty'	See Dutch phonology Dutch phonology Dutch is a Germanic language and as such has a similar phonology to other Germanic languages...
English English language English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...			[pʰæk]	'pack'	See English phonology English phonology English phonology is the study of the sound system of the English language. Like many languages, English has wide variation in pronunciation, both historically and from dialect to dialect...
French French language French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...			[pɔm]	'apple'	See French phonology French phonology This article mainly discusses the phonological system of standard French based on the Parisian dialect. French is notable for its uvular r, nasal vowels, and three processes affecting word-final sounds: liaison, a certain type of sandhi, wherein word-final consonants are not pronounced unless...
German German language German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....			[pʰak]	'pile'	See German phonology German phonology This article is about the phonology of the German language based on standard German. It deals with current phonology and phonetics as well as with historical developments thereof, including geographical variants .Since German is a pluricentric language, there are a number of different...
Greek Greek language Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...			[ˈpo̞ði]	'leg'	See Modern Greek phonology Modern Greek phonology This page presents a sketch of the phonology of Standard Modern Greek.-Consonants:The consonantal system of Greek is difficult to describe, as there is considerable debate about which sounds to describe as separate phonemes and which to analyse as conditional allophones...
Gujarati Gujarati language Gujarati is an Indo-Aryan language, and part of the greater Indo-European language family. It is derived from a language called Old Gujarati which is the ancestor language of the modern Gujarati and Rajasthani languages...			[pəkri]	'foot/feet'	See Gujarati phonology Gujarati phonology Gujarati phonology is the study of the inventory and patterns of the consonants, vowels, and prosody of the Gujarati language.-Vowels:*Sanskrit's phonemic vowel length has been lost...
Hebrew Hebrew language Hebrew is a Semitic language of the Afroasiatic language family. Culturally, is it considered by Jews and other religious groups as the language of the Jewish people, though other Jewish languages had originated among diaspora Jews, and the Hebrew language is also used by non-Jewish groups, such...			[pakid]	'clerk'	See Modern Hebrew phonology
Hindi-Urdu		/	[pəl]	'moment'	Contrasts with aspirated form. See Hindi-Urdu phonology Hindi-Urdu phonology Modern Standard Hindi is the official language of India, while Urdu is the national language of Pakistan as well as a scheduled language in India...
Hungarian Hungarian language Hungarian is a Uralic language, part of the Ugric group. With some 14 million speakers, it is one of the most widely spoken non-Indo-European languages in Europe....			[paːpɒ]	'pope'	See Hungarian phonology Hungarian phonology Hungarian phonology is notable for its process of vowel harmony, the frequent use of geminate consonants and the presence of otherwise uncommon palatal stops.- Consonants :...
Italian Italian language Italian is a Romance language spoken mainly in Europe: Italy, Switzerland, San Marino, Vatican City, by minorities in Malta, Monaco, Croatia, Slovenia, France, Libya, Eritrea, and Somalia, and by immigrant communities in the Americas and Australia...			[paˈpa]	'dad'	See Italian phonology Italian phonology This article is about the phonology of the Italian language. It deals with the phonology and phonetics of Standard Italian as well as with geographical variants.-Vowels:Notes:*In Italian there is no phonemic distinction between long and short vowels...
Japanese Japanese language is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...		/	[posɯto]	'mailbox'	See Japanese phonology Japanese phonology This article deals with the phonology of the Japanese language.-Consonants:The Japanese vowels are pronounced as monophthongs, unlike in English; except for , they are similar to their Spanish or Italian counterparts....
Korean Korean language Korean is the official language of the country Korea, in both South and North. It is also one of the two official languages in the Yanbian Korean Autonomous Prefecture in People's Republic of China. There are about 78 million Korean speakers worldwide. In the 15th century, a national writing...			[pʰul]	'grass'	See Korean phonology Korean phonology This article is a technical description of the phonetics and phonology of Korean.Korean has many allophones, so it is important here to distinguish morphophonemics from corresponding phonemes and allophones .-Consonants:The following are phonemic transcriptions of Korean consonants.# are voiced ...
Lakota Lakota language Lakota is a Siouan language spoken by the Lakota people of the Sioux tribes. While generally taught and considered by speakers as a separate language, Lakota is mutually understandable with the other two languages , and is considered by most linguists one of the three major varieties of the Sioux...		púza Latin alphabet The Latin alphabet, also called the Roman alphabet, is the most recognized alphabet used in the world today. It evolved from a western variety of the Greek alphabet called the Cumaean alphabet, which was adopted and modified by the Etruscans who ruled early Rome...	[ˈpʊza]	'dry'
Malay Malay language Malay is a major language of the Austronesian family. It is the official language of Malaysia , Indonesia , Brunei and Singapore...		panas Malay alphabet The modern Malay alphabet consists of the 26 letters of the basic Latin alphabet without any diacritics. It is the more common of the two alphabets used today to write the Malay language, the other being Jawi...	[panas]	'hot'
Maltese Maltese language Maltese is the national language of Malta, and a co-official language of the country alongside English,while also serving as an official language of the European Union, the only Semitic language so distinguished. Maltese is descended from Siculo-Arabic...			[apˈtit]	'appetite'
Norwegian Norwegian language Norwegian is a North Germanic language spoken primarily in Norway, where it is the official language. Together with Swedish and Danish, Norwegian forms a continuum of more or less mutually intelligible local and regional variants .These Scandinavian languages together with the Faroese language...			[pɑpːɑ]	'dad'	See Norwegian phonology Norwegian phonology The sound system of Norwegian resembles that of Swedish. There is considerable variation among the dialects, but the variant generally taught to foreign students is Standard Eastern Norwegian, which is the one described in this article.-Consonants:...
Pashto Pashto language Pashto , known as Afghani in Persian and Pathani in Punjabi , is the native language of the indigenous Pashtun people or Afghan people who are found primarily between an area south of the Amu Darya in Afghanistan and...			[pɑˈnir]	'cheese'
Pirahã Pirahã language Pirahã is a language spoken by the Pirahã. The Pirahã are an indigenous people of Amazonas, Brazil, living along the Maici River, a tributary of the Amazon....			[ˈpìbàóí̯]	'otter'
Polish Polish language Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...				'belt'	See Polish phonology Polish phonology The phonological system of the Polish language is similar in many ways to those of other Slavic languages, although there are some characteristic features found in only a few other languages of the family, such as contrasting retroflex and palatal fricatives and affricates, and nasal vowels...
Portuguese Portuguese language Portuguese is a Romance language that arose in the medieval Kingdom of Galicia, nowadays Galicia and Northern Portugal. The southern part of the Kingdom of Galicia became independent as the County of Portugal in 1095...			[paj]	'father'	See Portuguese phonology Portuguese phonology The phonology of Portuguese can vary considerably between dialects, in extreme cases leading to difficulties in intelligibility. This article focuses on the pronunciations that are generally regarded as standard...
Romanian Romanian language Romanian Romanian Romanian (or Daco-Romanian; obsolete spellings Rumanian, Roumanian; self-designation: română, limba română ("the Romanian language") or românește (lit. "in Romanian") is a Romance language spoken by around 24 to 28 million people, primarily in Romania and Moldova...			[pas]	'step'	See Romanian phonology Romanian phonology This article discusses the phonology of the Romanian language. For other details on this language the reader is referred to that article....
Russian Russian language Russian is a Slavic language used primarily in Russia, Belarus, Uzbekistan, Kazakhstan, Tajikistan and Kyrgyzstan. It is an unofficial but widely spoken language in Ukraine, Moldova, Latvia, Turkmenistan and Estonia and, to a lesser extent, the other countries that were once constituent republics...			[pɫoˑt̪]	'fruit'	Contrasts with palatalized Palatalization In linguistics, palatalization , also palatization, may refer to two different processes by which a sound, usually a consonant, comes to be produced with the tongue in a position in the mouth near the palate....  form. See Russian phonology Russian phonology This article discusses the phonological system of standard Russian based on the Moscow dialect . For discussion of other dialects, see Russian dialects...
Slovak Slovak language Slovak , is an Indo-European language that belongs to the West Slavic languages .Slovak is the official language of Slovakia, where it is spoken by 5 million people...			[pɛs]	'dog'
Spanish Spanish language Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...			[ˈpe̞so̞]	'weight'	See Spanish phonology Spanish phonology This article is about the phonology and phonetics of the Spanish language. Unless otherwise noted, statements refer to Castilian Spanish, the standard dialect used in Spain on radio and television. For historical development of the sound system see History of Spanish...
Swedish Swedish language Swedish is a North Germanic language, spoken by approximately 10 million people, predominantly in Sweden and parts of Finland, especially along its coast and on the Åland islands. It is largely mutually intelligible with Norwegian and Danish...			[ˈɑːpʰa]	'ape'	See Swedish phonology Swedish phonology The phonology of Swedish is notable for having a large vowel inventory, with nine vowels distinguished in quality and to some degree quantity, making 17 vowel phonemes in most dialects. Swedish pronunciation of consonants is similar to that of other Germanic languages...
Tsez Tsez language Tsez, also known as Dido is a Northeast Caucasian language with about 15,354 speakers spoken by the Tsez, a Muslim people in the mountainous Tsunta district of southern and western Dagestan in Russia. The name is said to derive from the Tsez word for "eagle", which is most likely a folk etymology...		пу Cyrillic alphabet The Cyrillic script or azbuka is an alphabetic writing system developed in the First Bulgarian Empire during the 10th century AD at the Preslav Literary School...	[pʰu]	'side'	Contrasts with ejective form.
Turkish Turkish language Turkish is a language spoken as a native language by over 83 million people worldwide, making it the most commonly spoken of the Turkic languages. Its speakers are located predominantly in Turkey and Northern Cyprus with smaller groups in Iraq, Greece, Bulgaria, the Republic of Macedonia, Kosovo,...			[kʰäp]	'pot'	See Turkish phonology Turkish phonology The phonology of the Turkish language describes the set of sounds and their relationships with one another in spoken Turkish. One characteristic feature of Turkish is a system of vowel harmony that distinguishes between front and back vowels. The majority of words in Turkish adhere to a system of...
Ukrainian Ukrainian language Ukrainian is a language of the East Slavic subgroup of the Slavic languages. It is the official state language of Ukraine. Written Ukrainian uses a variant of the Cyrillic alphabet....			[pɑ.ˈwuk]	'spider'	See Ukrainian phonology Ukrainian phonology This article deals with the phonology of the Ukrainian language.-Vowels: may be classified as retracted high-mid front vowel or lowered retracted high front vowel; is middle vowel , backness is classified as advanced back....
Vietnamese Vietnamese language Vietnamese is the national and official language of Vietnam. It is the mother tongue of 86% of Vietnam's population, and of about three million overseas Vietnamese. It is also spoken as a second language by many ethnic minorities of Vietnam...			[ɲip˧ˀ˥]	'tweezers'	See Vietnamese phonology Vietnamese phonology This article is a technical description of the sound system of the Vietnamese language, including phonetics and phonology.-Consonants:Two main varieties of Vietnamese, Hanoi and Ho Chi Minh City, are described below.-Hanoi:...
West Frisian West Frisian language West Frisian is a language spoken mostly in the province of Friesland in the north of the Netherlands. West Frisian is the name by which this language is usually known outside the Netherlands, to distinguish it from the closely related Frisian languages of Saterland Frisian and North Frisian,...			[pɔnə]	'pan'
Yi Yi language Nuosu , also known as Northern Yi, Liangshan Yi, and Sichuan Yi, is the prestige language of the Yi people; it has been chosen by the Chinese government as the standard Yi language and, as such, is the only one taught in school, both in its oral and written form...		/	[pa˧]	'exchange'	Contrasts aspirated Aspiration (phonetics) In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...  and unaspirated forms.
Zapotec Zapotec language The Zapotec language are a group of closely related indigenous Mesoamerican languages spoken by the Zapotec people from the southwestern-central highlands of Mexico. Present-day native speakers are estimated to number over half a million, with the majority inhabiting the state of Oaxaca....	Tilquiapan Tilquiapan Zapotec Tilquiapan Zapotec is an Oto-Manguean language of the Zapotecan branch, spoken in southern Oaxaca, Mexico.Santa Inés Yatzechi Zapotec is close enough to be considered a dialect, and Ocotlán Zapotec is also close....	pan Latin alphabet The Latin alphabet, also called the Roman alphabet, is the most recognized alphabet used in the world today. It evolved from a western variety of the Greek alphabet called the Cumaean alphabet, which was adopted and modified by the Etruscans who ruled early Rome...	[paŋ]	'bread'