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Depth (ring theory), an important invariant of rings and modules in commutative and homological algebra; Depth in a well, the measurement between two points in an oil well; Color depth (or "number of bits" or "bit depth"), in computer graphics; Market depth, in financial markets, the size of an order needed to move the market a given amount
AAW An acronym for anti-aircraft warfare. aback (of a sail) Filled by the wind on the opposite side to the one normally used to move the vessel forward.On a square-rigged ship, any of the square sails can be braced round to be aback, the purpose of which may be to reduce speed (such as when a ship-of-the-line is keeping station with others), to heave to, or to assist moving the ship's head ...
depth, deep, down: Defines the depth of a feature. ⌀ [2] diameter: Diameter of a circle. In a feature control frame , the ⌀ symbol tells you that the tolerance zone for the geometric tolerance is cylindrical. Abbreviations for "diameter" include ⌀, DIA, and D. D: diameter; delta: Abbreviations for "diameter" include ⌀, DIA, and D.
TVDRT – true vertical depth (referenced to) rotary table zero datum; TVDKB – true vertical depth (referenced to) top kelly bushing zero datum; TVDSS – true vertical depth (referenced to) mean sea level zero datum; TVELD – time and velocity to depth; TVRF – true vertical depth versus repeat formation tester; TWT – two-way time (seismic)
Langenscheidt dictionaries in various languages A multi-volume Latin dictionary by Egidio Forcellini Dictionary definition entries. A dictionary is a listing of lexemes from the lexicon of one or more specific languages, often arranged alphabetically (or by consonantal root for Semitic languages or radical and stroke for logographic languages), which may include information on definitions ...
Historically it was the maritime measure of depth in the English-speaking world but, apart from within the US, charts now use metres. There are two yards (6 feet ) in an imperial fathom. [ 1 ] Originally the span of a man's outstretched arms , the size of a fathom has varied slightly depending on whether it was defined as a thousandth of an ...
For four years, the bar at the Trump International Hotel in downtown Washington was the place to be seen for Donald Trump's circle of allies, supporters and hangers-on, where MAGA hat-wearing ...
"Sounding" derives from the Old English sund, meaning "swimming, water, sea"; it is not related to the word sound in the sense of noise or tones, [2] but to sound, a geographical term. Traditional terms for soundings are a source for common expressions in the English language, notably "deep six" (a sounding of 6 fathoms).