bittings

bitting

[bit-ing]
noun
one of the indentations on the bit of a key.

Origin:
bit1 + -ing1

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Etymonline
Word Origin & History

bit
related O.E. words bite "act of biting," and bita "piece bitten off," are probably the source of the modern words meaning "boring-piece of a drill" (1590s), "mouthpiece of a horse's bridle" (mid-14c.), and "a piece bitten off, morsel" (c.1000). All from P.Gmc. *biton (cf. O.S. biti, O.N. bit, O.Fris.
bite, M.Du. bete, O.H.G. bizzo, Ger. Bissen "bit, morsel"), from PIE base *bheid- "to split" (see fissure). Meaning "small piece, fragment" is from c.1600. Theatrical bit part is from 1926. Money sense in two bits, six bits, etc. is originally from Southern U.S. and West Indies, in ref. to silver wedges cut or stamped from Sp. dollars (later Mexican reals); transferred to "eighth of a dollar."

bit
computerese word, 1948 abbreviation (coined by J.W. Tukey) of binary digit, probably chosen for its identity with bit (1).

bit
past tense of bite.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
bit   (bĭt)  Pronunciation Key 
The smallest unit of computer memory. A bit holds one of two possible values, either of the binary digits 0 or 1. The term comes from the phrase binary digit. See Note at byte.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

bit definition


The smallest unit of information. One bit corresponds to a “yes” or “no.” Some examples of a bit of information: whether a light is on or off, whether a switch (like a transistor) is on or off, whether a grain of magnetized iron points up or down.

Note: The information in a digital computer is stored in the form of bits.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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