Acronyms

thumb|NASA is an acronym that expands to National Aeronautics and Space Administration.

thumb|Use of "lol" in a conversation LOL, or lol, is an acronym for "laughing out loud", and a popular element of Internet slang, which can be used to indicate amusement, irony, or double meanings. It was first used almost exclusively on Usenet, but has since become widespread in other forms of computer-mediated communication and even face-to-face communication. It is one of many acronyms for expressing bodily reactions, in particular laughter, as text, including acronyms for more emphatic expressions of laughter such as LMAO ("laughing my ass off") and ROFL or ROTFL ("rolling on the floor lau

thumb|237px|Ichthys was adopted as a Christian symbolism|Christian symbol. The ichthys or ichthus (; from ancient Greek , "fish") is, in its modern rendition, a symbol consisting of two intersecting arcs, the right ends extending beyond the meeting point so as to resemble the profile of a fish. It has been speculated that the symbol was used by early Christians as a secret symbol: a shibboleth to determine if another was indeed Christian. It is now known colloquially as the "Jesus fish". This symbol is widely used by Christians as a sign of their faith, often being found on vehicles, necklaces

thumb|Jennifer Coolidge, whose character in American Pie helped popularize the term "MILF"

artist collective and art movement

term for a group of four emerging national economies

A backronym treats an already existing word as an acronym and expands its letters into the words of a phrase, and so is effectively an acrostic. The word is a portmanteau of back and acronym. Backronyms may be invented with either serious or humorous intent, or they may be a type of false etymology or folk etymology.

ACAB, an acronym for all cops are bastards, is a political slogan associated with those opposed to the police and commonly expressed as a catchphrase in graffiti or tattoos. It is sometimes expressed as 1312, with each digit representing the position of the corresponding letter in the English alphabet.

thumb|Unfinished tower in Tenleytown, Washington, D.C.|Tenleytown, Washington, D.C. that was later removed as a result of complaints from the neighborhood

acronym of trans-exclusionary radical feminism

acronym whose meaning refers to itself

mnemonic for a goal-setting criteria, which stands for: specific, measurable, achievable (or attainable), relevant, and time-bound

alt=black and white mug with liquid inside|thumb|mug labelled 'RTFM'

"DINK" is an acronym that stands for double income, no kids or dual income, no kids, referring to couples who are voluntarily childless. It describes a couple without children living together while both partners are receiving an income; because both of their wages are coming into the same household, they are able to live more comfortable economically than couples who live together and spend their money on raising their children. The term was coined at the height of yuppie culture in the 1980s. The Great Recession solidified this social trend, as more couples waited longer to have children or c

derogatory acronym for the economies of Portugal, Italy, Greece and Spain

acronym for "you only live once"

using an acronym followed by one of the words composing that acronym

thumb|Four-voice SATB arrangement of Bach's Cantata BWV 140.

Chazal or Ḥazal () are the Jewish sages of the Mishnaic and Talmudic eras, spanning from the final 300 years of the Second Temple period until the 7th century, or . Their authority was mostly in the field of Halakha (Jewish law) and less regarding Jewish theology.

persons with bodily characteristics, mainly skin color, that differ from Eurocentric standards; term used in the United States to refer to people whose historical homeland is not Europe

' ("Works without opus number") (WoO), also Kinsky–Halm Catalogue', is a German musical catalogue prepared in 1955 by Georg Kinsky and , usually listing all of the compositions of Ludwig van Beethoven that were not originally published with an opus number, or survived only as fragments. The work was originally titled in German Das Werk Beethovens: Thematisch-bibliographisches Verzeichnis seiner sämtlichen vollendeten Kompositionen.

type of abbreviation

WAGs (or Wags) is an acronym used to refer to wives and girlfriends of high-profile sportsmen and women. The term may also be used in the singular form, WAG, to refer to a specific female partner or life partner who is in a relationship with an athlete. The term was first used by the British tabloid press to refer to the wives and girlfriends of high-profile footballers, originally the England national football team. The WAGs acronym came about following an increasing focus on the coverage of athletes' partners in the late-20th century, and it came into common use during the 2006 FIFA World Cu

thumb|right|Private Snafu was a series of instructional cartoons devised by [[Frank Capra and produced by Warner Brothers animators such as Chuck Jones for the US Army during World War II.|232x232px]] thumb|200x200px|The song "SNAFU, What is the Meaning of SNAFU?" was sung by Mitzi Mayfair, Carole Landis, and Martha Raye for the 1944 film Four Jills in a Jeep. The scene would be cut from the final release of the film, but existed independently and is still available. SNAFU is an acronym that is widely used to stand for the sarcastic expression "Situation normal: all fucked up". It is an exampl

SCAMPER ("substitute, combine, adjust, modify, put to other uses, eliminate, reverse") is an acronym that provides a structured way of assisting students to think out of the box and enhance their knowledge.

thumb|Grown man with expensive bicycle and tight-fitting clothes

POSDCORB is an acronym widely used in the field of management and public administration that reflects the classic view of organizational theory. It appeared most prominently in a 1937 paper by Luther Gulick (in a set edited by himself and Lyndall Urwick). However, he first presented the concept in 1935. Initially, POSDCORB was envisioned in an effort to develop public service professionals. In Gulick's own words, the elements are as follows: planning, organizing, staffing, directing, co-ordinating, reporting and budgeting.

subregion of the Americas

TESCREAL is a neologism proposed by computer scientist Timnit Gebru and philosopher Émile P. Torres. An acronym, it stands for Transhumanism, Extropianism, Singularitarianism, (modern) Cosmism, Rationalists (the internet community, not to be confused with other uses of the term), Effective Altruism, and Longtermism. Gebru and Torres argue that these ideologies should be treated as an "interconnected and overlapping" group with shared origins. They claim these constitute a movement that allows its proponents to use the threat of human extinction to justify expensive or detrimental projects and

300px|thumb|right|A medieval silver cross pendant inscribed with the letters AG LA AGLA () is a magic word that appears in some charms. Its meaning is unsettled, but is widely reputed to be a noṭariqōn or kabbalistic acronym for , "Thou, O Lord, art mighty forever", a phrase from Gevurot, the second blessing of the Amidah, the central Jewish prayer. However, according to Katelyn Mesler, "after much searching, I have yet to find evidence of such an interpretation prior to the late fourteenth or fifteenth century, a couple centuries after AGLA begins appearing in magical writings."

Mass balance consistency check for a chemical reaction