HL
Encyclopedia
HL is an abbreviation
for:
Abbreviation
An abbreviation is a shortened form of a word or phrase. Usually, but not always, it consists of a letter or group of letters taken from the word or phrase...
for:
- Half-lifeHalf-lifeHalf-life, abbreviated t½, is the period of time it takes for the amount of a substance undergoing decay to decrease by half. The name was originally used to describe a characteristic of unstable atoms , but it may apply to any quantity which follows a set-rate decay.The original term, dating to...
, radioactive decay - Half-Life (series)Half-Life (series)The Half-Life series of video games share a science fiction alternate history. Nearly all of the games are first-person shooters on the GoldSource or Source engines, and most are linear, narrative, single-player titles....
, a video game series- Half-Life (video game), the first game in that series
- Hangars LiquidesHangars liquidesHangars Liquides, also known as HL, is a French electronic label. It was created by La Peste in 1998. Initially Hangars Liquides was Speedcore-oriented but was quickly categorized as experimental music within the hardcore techno scene...
, an electronic music label - HeadlineHeadlineThe headline is the text at the top of a newspaper article, indicating the nature of the article below it.It is sometimes termed a news hed, a deliberate misspelling that dates from production flow during hot type days, to notify the composing room that a written note from an editor concerned a...
- Hypotenuse Leg, a condition of congruence in right angles
- Hectolitre, 100 liters
- Herman LiHerman LiHerman Li is a British Chinese musician, best known as a guitarist for the power metal band DragonForce.-Playing style:Li draws influences from rock, all sub-genres of metal as well as video game music and often mimics sounds from popular retro games from the late 80s, early-90s arcade, and PC games...
, guitarist for the power metal band DragonForce - Higher Level, a level of course difficulty in the International Baccalaureate Diploma Programme
- Hit list (disambiguation)
- Hitachi-LG Data StorageHitachi-LG Data StorageHitachi-LG Data Storage is a joint venture between Hitachi and LG. The company was established in November 2000, started operation in January 2001, and shipped its first product, the HL-DT-ST GCC-4120B combo drive, on June 2001....
(also abbreviated HL-DL-ST), a joint venture between Hitachi and LG, mainly producing optical disc drive - HotlineHotlineIn telecommunication, a hotline is a point-to-point communications link in which a call is automatically directed to the preselected destination without any additional action by the user when the end instrument goes off-hook...
- Hodgkin's lymphomaHodgkin's lymphomaHodgkin's lymphoma, previously known as Hodgkin's disease, is a type of lymphoma, which is a cancer originating from white blood cells called lymphocytes...
, a highly treatable hematological malignancyHematological malignancyHematological malignancies are the types of cancer that affect blood, bone marrow, and lymph nodes. As the three are intimately connected through the immune system, a disease affecting one of the three will often affect the others as well: although lymphoma is technically a disease of the lymph...
("blood cancer") - Hospitality Lawyer, a hospitality resource website founded by Stephen BarthStephen BarthStephen Barth is an American lawyer and professor of leadership and hospitality law at the Conrad N. Hilton College of Hotel and Restaurant Management, University of Houston, the author of Hospitality Law and coauthor of Restaurant Law Basics, an attorney, and the Founder of HospitalityLawyer.com,...
- House of LordsHouse of LordsThe House of Lords is the upper house of the Parliament of the United Kingdom. Like the House of Commons, it meets in the Palace of Westminster....
- Hovedstadens LokalbanerHovedstadens LokalbanerHovedstadens Lokalbaner is a Danish company which owns the trains and tracks of several local railways around Copenhagen: Frederiksværkbanen, Gribskovbanen, Hornbækbanen, Lille Nord, Nærumbanen and Østbanen. It leases trains and trackage rights to the operating companies DSB S-tog and Lokalbanen ....
, a Danish local railway company - South KoreaSouth KoreaThe Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...
(amateur radioAmateur radioAmateur radio is the use of designated radio frequency spectrum for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication...
call signCall signIn broadcasting and radio communications, a call sign is a unique designation for a transmitting station. In North America they are used as names for broadcasting stations...
prefix assigned to the country) - HorselandHorselandHorseland is an online community that simulates the breeding and raising of horses and dogs. Begun in 1994 in the United States, Horseland has now grown to have more than 7 million users who play from all over the world. Most of the players are girls from age 10 to 22, although a number of adults...
- Hydrogen lineHydrogen lineThe hydrogen line, 21 centimeter line or HI line refers to the electromagnetic radiation spectral line that is created by a change in the energy state of neutral hydrogen atoms. This electromagnetic radiation is at the precise frequency of 1420.40575177 MHz, which is equivalent to the vacuum...
- HighlighterHighlighterA highlighter is a felt-tip pen which is used to draw attention to sections of documents by marking them with a vivid, translucent colour.A typical highlighter is fluorescent yellow, coloured with pyranine.-History:...
- Voiceless alveolar lateral fricativeVoiceless alveolar lateral fricativeThe voiceless alveolar lateral fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents voiceless dental, alveolar, and postalveolar fricatives is , and the equivalent X-SAMPA symbol is K...
(frequently written as "hl" or "ɬ")