Puffball A puffball is a member of any of a number of groups of fungi in the division Basidiomycota. The puffballs were previously treated as a taxonomic group called the Gasteromycetes or Gasteromycetidae, but they are now known to be a polyphyletic assemblage. Their distinguishing feature is that they have gasterothecia in which the spores are produced internally; that is, the basidiocarp remains closed, or opens only after the spores have been released from the basidia.
	Pufferfish The 'pufferfish', also called blowfish, swellfish, globefish, balloonfish are fish making up the family Tetraodontidae, within the order Tetraodontiformes. They are named for their ability to inflate themselves to several times their normal size by swallowing water or air when threatened; the same adaptation is found in the closely related porcupinefish, which have large conspicuous spines .
	Puffin The common name puffin describes any of three auk species in the bird genus Fratercula with a brightly colored beak in the breeding season. These are pelagic zone seabirds that feed primarily by diving. They breed in large colonies on coastal cliffs or offshore islands, nesting in crevices among rocks or in burrows in the soil.
	Puffinus Puffinus is a genus of seabirds in the order Procellariiformes. It comprises about 20 small to medium-sized shearwaters. There are two other shearwater genera: Calonectris, which comprises three large shearwaters, and Procellaria with another four large species.
	Pug Pug is also a common name for some smaller moths in the family Geometridae. A Pug is a toy dog breed of dog with a wrinkly face, and medium-small body. The word "Pug" may have derived from the Latin Pugnus; the Pug's face can look like a clenched fist. Or, in nod to the breeds sometimes mischievous nature, from the character "Puck" of A Midsummer Night's Dream.
	Puget Sound Puget Sound is a sound connected to the Pacific Ocean via the Strait of Juan de Fuca in the Pacific Northwest of the United States. It extends from Admiralty Inlet in the north to Olympia, Washington. The surrounding area, which includes six of the nine largest cities in Washington , is home to about 4 million people.
	Puissance Puissance is the high-jump competition in the Equestrianism sport of show jumping. It consists of a short course of fences, ending in the final puissance wall. After the completion of the course, the horse and rider pairs that went clear move on to the next round, where the puissance is raised.
	Puku The Puku is an antelope found in wet grasslands in southern Democratic Republic of Congo and in Zambia. Puku stand about 80 centimetres at the shoulder and weigh from 70 to 80 kilograms. Puku are sandy brown in colour, the underbelly is a slightly lighter brown. Males have around 50 centimetre long ridge structured horns which are very vaguely lyre-shaped.
	Pula Pula/Pola is the largest city in Istria, Croatia, at the southern tip of that peninsula, with a population of 59,080. Geographical location . From the 19th century through World War I, Pula was the headquarters of the Austro-Hungarian Navy. Like the rest of the region, it is known for its mild climate, tame sea, and unspoiled nature.
	Pull-Ups Pull-Ups is a brand of disposable training pants made under the Huggies brand of baby products. The product was first introduced in 1989 and became popular with the motto "I'm a big kid now!" The training pants are marketed with two packages: boys' designs are blue and currently features patterns from the Disney movie Cars; girls' designs are lilac with The Walt Disney Company Princesses.
	Pullback In mathematics, a pullback can be defined in pullback#See also. This article focuses primarily on the pullback of tensor on differentiable manifolds. Given a Differentiability class differentiable function from one differentiable manifold to another, there is an associated mapping from the cotangent bundle of Y to that of X, known as the pullback, and frequently denoted by f*.
	Pulley A pulley is a wheel with a Groove along its edge, for holding a rope or cable. Pulleys are usually used in sets designed to reduce the amount of force needed to lift a load. However, the same amount of Mechanical work is necessary for the load to reach the same height as it would without the pulleys.
	Pulmonary circulation Pulmonary circulation is the portion of the cardiovascular system which carries oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated blood back to the heart. The term is contrasted with systemic circulation. Oxygen-depleted blood from the body leaves the right heart through the pulmonary artery, which carry it to the lungs, where red blood cells release carbon dioxide and pick up oxygen during respiration.
	Pulmonata The Pulmonata are an order of snails and slugs that have developed lungs.
	Pulp magazine Pulp magazines were inexpensive fiction magazines. They were widely published from the 1920s through the 1950s. The term pulp fiction can also refer to mass market paperbacks since the 1950s.
	Pulpit A pulpit is a small elevated platform where a member of the clergy stands in order to read the Gospel lesson and deliver a Sermon. In many Christian Church, there are two speakers stands in the front of the church. Typically, the one on the left is called the pulpit.
	Pulque Pulque, or octli, is an alcoholic beverage made from the fermentation juice of the maguey, and is a traditional native beverage of Mesoamerica. The maguey plant is not a cactus but an agave elsewhere called the "century plant". The plant was one of the most sacred plants in Mexico and had a prominent place in mythology, religious rituals, and Meso-American industry.
	Pulsar Pulsars are rotating neutron stars which emit detectable electromagnetic radiation in the form of radio waves. The radiation intensity varies with a regular period, believed to correspond to the rotation period of the star. Pulsars also exhibit a so-called lighthouse effect, which occurs when the light and other radiation from a pulsar are only seen at specific intervals and not all of the time.
	Pulsatilla vulgaris Pulsatilla vulgaris belongs to the Buttercup family, native to western, central and southern Europe. It grows to 15-30 cm high and when it is fruit-bearing up to 40 cm. The roots go deep into the soil. The finely-dissected leaf are arranged in a rosette and appear with the bell-shaped flower in early spring.
	Pulse In medicine, a person's pulse is the throbbing of their artery as an effect of the heart beat. It can be felt at the neck, at the wrist and other places. Pressure waves move through the blood vessels, which are pliable; it is not caused by the forward movement of the blood.
	Puma The Puma, also known as the Cougar or Mountain Lion, is a large, solitary cat found in the Americas. It has a vast range, from Yukon Territory in Canada to the southern Andes of South America. Their primary food is deer, but they hunt prey in a range of sizes, from insects, mice, and rabbits, on up to Bighorn Sheep and Elk.
	Pumice Pumice is a highly vesicular pyroclastic igneous rock of intermediate to siliceous magmas including rhyolite, trachyte and phonolite. Pumice is usually light in colour ranging from white, yellowish, grey, grey brown, and a dull red. Pumice has an average porosity of 90%.
	Pump This article is about the mechanical device. For the shoe see Pump . For the Aerosmith album see Pump . For the WP:Pump see Wikipedia:Village pump. A pump is a device used to move gases, liquids, or Slurry. A pump moves liquids or gases from lower pressure to higher pressure, and overcomes this difference in pressure by adding energy to the system .
	Pumpernickel Pumpernickel bread is a type of sourdough from Germany that is made with a combination of rye flour and rye meal. Pumpernickel dough is very dark in color when baked, even when compared to breads made with flour that includes bran. The finished product tastes very similar to rye bread, but differs in that pumpernickel recipes often call for molasses, helping to give pumpernickel its dark color.
	Pumping station Pumping stations are buildings designed to hold pumps and equipment for pumping fluids from one place to another. They are necessary for any number of infrastructure systems that many people take for granted, such as removal of sewage. They also remove water that has found its way into low-lying areas as a result of leakage or flooding.
	Pumpkin A pumpkin is a squash fruit, most commonly orange in colour when ripe. Pumpkins grow as a gourd from a trailing vine of the genus Cucurbita Cucurbitaceae. Cultivated in North America, continental Europe, and some other countries, as well as in English cottage gardens, Cucurbita varieties include Curcurbita pepo, Cucurbita maxima, Cucurbita mixta, or Cucurbita moschata — all plants native to the Western hemisphere.
	Pumpkin pie Pumpkin pie is a traditional North American dessert usually made in the late fall and early winter, especially for Halloween, Thanksgiving, and Christmas. The pie consists of a Squash-based custard, ranging in color from orange to brown, baked in a single pie shell, rarely with a top crust.
	Pumpkinseed The pumpkinseed is a species of freshwater fish. It is a member of the sunfish family of order Perciformes. It is native to northeastern North America, from New Brunswick to South Carolina, but has been introduced elsewhere in North America as well as throughout much of Europe.
	Punch card The punch card is an obsolescent recording medium for digital information for use by automated data processing machines, including early mainframe-based computers which used them as the primary medium for input of both computer programs and Data . Punch cards were ubiquitous for much of the twentieth century.
	Punchboard A punchboard is a game board, primarily consisting of a number of holes which was used once for lottery playings.
	Punching bag A punching bag is a sturdy bag designed to be repeatedly Punch, for use in exercise or physical training. Someone who trains using a punching bag is usually trying to improve one of three areas: physical strength, cardio, or punching technique. Colloquially, a person is called a "punching bag" if one perceives the person as being the subject of constant and unwarranted attacks.
	Punica Punica is a small genus of fruit-bearing deciduous shrub or small trees. Its better-known species is the Pomegranate. The only other species in the genus, the Socotra Pomegranate, is endemic on the island of Socotra. It differs in having pink flowers and smaller, less sweet fruit.
	Punjab Punjab may refer to: * Punjab region, an area of South Asia shared by India and Pakistan ** Punjab, a state in India ** Punjab, a province in Pakistan ** Haryana, a former part of Punjab ** Himachal Pradesh, a former part of Punjab * A number of former states and provinces:
	Punk rock Punk rock is an anti-establishment rock music movement with origins in the United States and United Kingdom around 1974 or 1975, exemplified by bands such as the Ramones, the Sex Pistols, The Damned, and The Clash. The term punk is used to describe the associated Punk subculture, involving youthful aggression, specific Punk fashion, Punk ideology, and a DIY punk ethic attitude.
	Punkah A punkah is a type of fan. In its original sense the punkah is a portable fan, made from the leaf of the palmyra. But notably in the colonial age, the word has come to be used in a special sense by Anglo-Indians in British India for a large swinging fan, fixed to the ceiling, and pulled by a coolie, called the punkahwalla, during the hot weather.
	Punta Arenas Punta Arenas is the main city in the Strait of Magellan and the capital of the Magallanes Region of Chile, Chile, and depending on the definition of "city," makes a claim for the world's southernmost city. Punta Arenas is the biggest city in the Chilean Patagonian Region.
	Pup Tent Pup Tent is an album by Luna.
	Pupa A pupa is the life stage of some insects undergoing transformation. The pupal stage occurs only in Holometabolism insects, those that undergo a complete metamorphosis such as butterfly and moths, beetles, fly and bees, wasps and ants.
	Pupil In the eye, the pupil is the opening in the middle of the iris of the eye. It appears black because most of the light entering is absorbed by the biological tissue inside the eye.
	Puppet A puppet is a controlled and manipulated object, usually but not necessarily a character, used in play or a performance. There are many kinds of puppet and they are usually sculpted or modelled objects, sometimes simple in the extreme, and sometimes highly sophisticated artifacts. A puppet may be operated directly by a puppeteer, or indirectly - by the use of strings, for example, or by other mechanical contrivance or even remotely by electronic guidance.
	Puppy chow Puppy chow is a chocolate snack, commonly homemade. It is intended for people, not pets, as chocolate is unhealthy for animals. The main ingredient of Puppy chow is a cereal such as Crispix or Rice Chex. The cereal is mixed with melted chocolate chip, butter, and peanut butter.
	Puranas Purana is the name of a genre of Indian written literature. Its general themes are history, tradition and religion. It is usually written in the form of stories related by one person to another. There are many texts designated as 'Purana.' The most important are: * Mahapura?as and Upapura?as - Written in Sanskrit, by Brahmins.
	Purgatory Purgatory commonly refers to a doctrine in the Roman Catholic Church, which posits that those who die in a state of Divine grace undergo a purification in order to achieve the holiness necessary to enter heaven. This purification of the elect is entirely different from the punishment of the Damnation in hell.
	Purim Purim is a joyous Jewish holiday that commemorates the deliverance of Persian Jews from Haman's plot to exterminate them, as recorded in the biblical Book of Esther. It is characterized by public recitation of the Book of Esther, giving mutual gifts of food and drink, giving charity to the poor, and a celebratory meal; other customs include drinking alcoholic beverage, wearing of masks and costumes, and public celebration.
	Purine Purine is a heterocyclic aromatic organic compound, consisting of a pyrimidine ring fused to an imidazole ring. The general term purines also refers to substituted purines and their tautomers. Two of the bases in nucleic acids, adenine and guanine, are purines.
	Purkinje cell Purkinje cells are a class of GABA neuron located in the cerebellum. They are named after their discoverer, Czech people anatomist Jan Evangelista Purkyne.
	PURPLE In the history of cryptography, 97-shiki oobun Inji-ki or Angooki B-gata , codenamed PURPLE by the United States, was a diplomatic cryptography machine used by the Japanese Foreign Office just before and during World War II. The machine was an electromechanical stepping switch device.
	Purple Emperor The Purple Emperor is a butterfly of the Nymphalidae family. It is found in woodlands throughout Central Europe and southern Britain. Adults have dark brown wings with white lines and a small orange ring on each of the hindwings. Males have an iridescent purple-blue sheen which the females lack.
	Purple Finch The Purple Finch, Carpodacus purpureus, is a small finch. Adults have a short forked brown tail and brown wings. Adult males are raspberry red on the head, breast, back and rump; their back is streaked. Adult females have light brown upperparts and white underparts with dark brown streaks throughout; they have a white line on the face above the eye.
	Purple Heart The Purple Heart is a Awards and decorations of the United States military awarded in the name of the President of the United States to those who have been wounded or killed while serving on or after April 5, 1917, with the United States Armed Services.
	Purple loosestrife Purple loosestrife is a semi-aquatic herbaceous plant belonging to the loosestrife family, Lythraceae, native to the wetlands of Eurasia. It is a herbaceous perennial plant, growing 1-2 m tall, forming Cloning colonies 1.5 m or more in width with numerous erect stems growing from a single woody root mass.
	Purple Martin The Purple Martin is the largest North American Hirundinidae at 20 cm length. Adults have a forked tail. Adult males are a glossy dark purple, and adult females are dark on top with some purple on the back, and lighter underparts. Juveniles are greyish-brown above and whitish below, gaining some purple feathers by their first winter.
	Purple Saxifrage The Purple Saxifrage is a species of plant that is very common all over the high arctic and also some high mountainous areas further south, including northern Britain, the Alps and the Rocky Mountains. It is even known to grow in north Greenland, at 8315'N, the most northerly plant locality in the world.
	Purple Willow The Purple Willow or Purple Osier is a species of willow native to most of Europe and western Asia. It is a shrub to 1-2 m tall. The Leaf are 2-8 cm long and 1-2 cm wide, and, unusually for a willow, often arranged in opposite pairs rather than alternate. The flowers are small catkins, produced in early spring; they are often purple in colour, whence the name of the species.
	Purpura Purpura is the appearance of red or purple discolorations on the skin, caused by bleeding underneath the skin. Small spots are called petechia, while large spots are called ecchymoses. This is common with typhus and can be present with meningitis caused by meningococcal meningitis or septicaemia.
	Purse ---- In American English, a purse is a small bag, also called a handbag. In British English, a purse is a small money container similar to a wallet, but typically used by women and including a compartment for coins, with a handbag being considerably larger. A purse or handbag is often Fashion design, and is used to hold a number of items such as a wallet, keys, Facial_tissue, makeup, a hairbrush, feminine products, or other items.
	Push forward In mathematics, the push forward of a smooth map F : M ? N between smooth manifolds at a point p is, in some sense, the best linear approximation of F near p. It can be viewed as generalization of the total derivative of ordinary calculus. Explicitly, it is a linear map from the tangent space of M at p to the tangent space of N at F(p).
	Pussy Pussy is both a slang word referring to the vulva and vagina, and an affectionate term for a cat. Thus it can be used as a double entendre. In a less vulgar sense, it can also be a derogatory term implying general weakness or cowardice.
	Pussyfoot Pussyfoot was the name of a United Kingdom recording act of the late 1970s. The act consisted of former The Mixtures member, songwriter, producer and musician Mick Flinn, and vocalist Donna Jones. Flinn remained behind the scenes, and Jones was marketed as a solo artist.
	Put option A put option is a finance contract between two parties, the buyer and the seller of the option. The put allows the buyer the right but not the obligation to sell a commodity or financial instrument to the seller of the option at a certain time for a certain price.
	Putrajaya Wilayah Persekutuan Putrajaya |+Federal Territory of Putrajaya border=1 cellpadding="2" cellspacing="0" width="240px" align="right" style="margin-left: 2px" |- |style="background:#efefef;" align="center" colspan=2| |- |align="center" colspan=2 style="border-bottom:3px solid gray;"|
	Putrescine Putrescine is an organic chemical compound NitrogenHydrogen24NH2 formed by and having the smell of rotting flesh. It is related to cadaverine; both are produced by the breakdown of amino acids in living and dead organisms. Putrescine is synthesized in small quantities by healthy living cells by the action of ornithine decarboxylase.
	PuTTY PuTTY is a free software SSH, Telnet, rlogin, and Transmission Control Protocol Client. It was originally available only for Microsoft Windows, but is now also available on various Unix platforms, with work-in-progress ports to Classic Mac OS and Mac OS X.
	Putty Putty is a generic term for a plasticity material similar in texture to clay or dough typically used in domestic construction and repair as a sealant or filler. Painter's Putty is typically a linseed oil based product used for filling holes, minor cracks and defacements in wood only.
	Putty knife A putty knife is a spatula used for scraping surfaces, or spreading material such as plaster in various construction List of occupations. Widths from 1 1/4" to 5" or 6" are commonly available. Stiff-blade knives, typically 1 mm or .040" thick, are suitable for scraping.
	Puzzle A puzzle is a problem or enigma that challenges ingenuity. People often contrive such problems as a form of entertainment, but they can also stem from serious mathematical or logistical problems — in such cases, their successful resolution can be a significant contribution to mathematical research.
	Pygmy Generally speaking, pygmy can refer to any human or animal of unusually small size. * Homo floresiensis *Hunter gatherers *Pygmy music Researchers who studied pygmy cultures: *Colin Turnbull *Mauro Campagnoli
	Pygmy Marmoset The Pygmy Marmoset is a monkey native to the rainforest canopy_(forest) of western Brazil, southeastern Colombia, eastern Ecuador, and eastern Peru. It is one of the smallest primates, with its body length ranging from 14-16 cm and the smallest monkey. Males weigh around 140 gram, and females only 120 g.
	Pygmy Sperm Whale The Pygmy Sperm Whale is one of three species of whale in the sperm whale family. They are not often sighted at sea and most of our understanding of the creatures comes from the study of washed-up specimens
	Pygoscelis The genus Pygoscelis contains three living species of penguins collectively known as "The Brush-Tailed Penguins". Their appearance - black above, white below - is that of what most people think of when they think of penguins. The three extant species are: * Adelie Penguin, Pygoscelis adeliae