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start-up

[stahrt-uhp] /ˈstɑrtˌʌp/
noun
1.
the act or fact of starting something; a setting in motion.
adjective
2.
of or pertaining to the beginning of a new project or venture, especially to an investment made to initiate such a project, as in a commercial or industrial enterprise:
high start-up costs.
Also, startup.
Origin
1550-1560
1550-60; noun use of verb phrase start up
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for start-up

start up

verb (adverb)
1.
to come or cause to come into being for the first time; originate
2.
(intransitive) to spring or jump suddenly from a position or place
3.
to set in or go into motion, activity, etc: he started up the engine, the orchestra started up
adjective
4.
of or relating to input, usually financial, made to establish a new project or business: a start-up mortgage
noun
5.
a business enterprise that has been launched recently
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 start-up
n.

also startup, 1550s, "upstart;" meaning "action of starting up" is from 1845. See start (v.) + up (adv.).

Online Etymology Dictionary, © 2010 Douglas Harper
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5
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