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supercharge

[soo-per-chahrj] /ˈsu pərˌtʃɑrdʒ/
verb (used with object), supercharged, supercharging.
1.
to charge with an abundant or excessive amount, as of energy, emotion, or tension.
2.
to supply air to (an internal-combustion engine) at greater than atmospheric pressure.
3.
pressurize (def 3).
Origin of supercharge
1760-1770
1760-70; super- + charge
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for supercharge

supercharge

/ˈsuːpəˌtʃɑːdʒ/
verb (transitive)
1.
to increase the air intake pressure of (an internal-combustion engine) with a supercharger; boost
2.
to charge (the atmosphere, a remark, etc) with an excess amount of (tension, emotion, etc)
3.
to apply pressure to (a fluid); pressurize
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 supercharge
v.

1919, originally of internal combustion engines, from super- + past tense of charge (v.). Related: Supercharged; supercharging.

Online Etymology Dictionary, © 2010 Douglas Harper
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