abbreviation

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abbreviation

abbreviation, in writing, arbitrary shortening of a word, usually by cutting off letters from the end, as in U.S. and Gen. (General). Contraction serves the same purpose but is understood strictly to be the shortening of a word by cutting out letters in the middle, the omission sometimes being indicated by an apostrophe, as in the word don't. Most abbreviations are followed by a period. Usage, however, differs widely, and recently omission of periods has become common, as in NATO and UN. Acronyms are combinations of the first letters/syllables in a group of words to form a new grouping of letters that can be pronounced as a word. A period is never used when apostrophes appear. A list of abbreviations used in this encyclopedia may be found in the prefatory matter.
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References in periodicals archive ?
We call a triplet (G, [rho], V) a prehomogeneous vector space (abbrev. PV) when there exists a Zariski-dense orbit [rho](G)x in V.
SOFIA'S Instruments: Eyes on the Infrared Sky Abbrev. Name EXES Echelon-Cross-Echelle Spectrograph FIFI-LS Field Imaging Far-Infrared Line Spectrometer FLITECAM First Light Infrared Test Experiment Camera FORCAST Faint Object Infrared Camera for the SOFIA Telescope GREAT German Receiver for Astronomy at Terahertz Frequencies HAWC High-resolution Airborne Wideband Camera (ready in 2016) HIPO High-speed Imaging Photometer for Occultations Wavelengths Abbrev.