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backspace

[bak-speys] /ˈbækˌspeɪs/
verb (used without object), backspaced, backspacing.
1.
to shift the carriage or typing element of a typewriter one space backward by depressing a special key.
2.
Computers. to move the cursor, printhead, etc., toward the beginning of the data.
noun
3.
the space made by backspacing.
4.
Also called backspacer, backspace key. the labeled key on a typewriter or computer keyboard used for backspacing.
Origin
back2 + space
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for back space

backspace

/ˈbækˌspeɪs/
verb
1.
to move a (typewriter carriage) backwards
noun
2.
a typewriter key that effects such a movement
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for back space

backspace

adj.

also back-space, 1899, in reference to keyboarding, from back (adv.) + space.

We have had the pleasure of examining one of the 1899 model Hammond typewriters, with the new back-space key. This new feature is certainly an improvement in the machine. ["The Phonetic Journal," March 11, 1899]

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for back

12
14
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