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speed-up

[speed-uhp] /ˈspidˌʌp/
noun
1.
an increasing of speed.
2.
an imposed increase in the rate of production of a worker without a corresponding increase in the rate of pay.
Origin
1920-1925
1920-25; noun use of verb phrase speed up
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for speed-up

speed up

verb (adverb)
1.
to increase or cause to increase in speed or rate; accelerate
noun
2.
an instance of this; acceleration
Usage note
The past tense and past participle of speed up is speeded up, not sped up
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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