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overheat

[oh-ver-heet] /ˌoʊ vərˈhit/
verb (used with object)
1.
to heat to excess.
2.
to excite or agitate; make vehement:
a crowd overheated by rabble-rousers.
verb (used without object)
3.
to become overheated:
a stove that overheats alarmingly; a temper that overheats with little provocation.
noun
4.
the state or condition of being overheated; excessive heat, agitation, or vehemence.
Origin
1350-1400
1350-1400; Middle English overheten. See over-, heat
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for overheat
  • They need a way to cool down their bodies, and especially their brains, before they overheat.
  • But remember that dogs can overheat easily, so it's even more important to provide them with cooling retreats.
  • If it freezes then it could jam the cooling system causing the core to overheat.
  • In wearing winter clothing, exertion causes the body to overheat.
  • On a hot day, our bodies begin to overheat, and our skin brightens as blood flows up near the surface.
  • The particles can clog ventilation holes, causing the jet engines to overheat.
  • However, in some cases it can provide too much insulation and make the animal overheat.
  • Laptops equipped with lithium-ion batteries occasionally overheat and catch fire.
  • The high-velocity impact could have caused other lithium-ion batteries to overheat and catch fire.
  • The material also reflects less infrared light, which can overheat a solar panel and reduce its performance.
British Dictionary definitions for overheat

overheat

/ˌəʊvəˈhiːt/
verb
1.
to make or become excessively hot
2.
(transitive; often passive) to make very agitated, irritated, etc
3.
(intransitive) (of an economy) to tend towards inflation, often as a result of excessive growth in demand
4.
(transitive) to cause (an economy) to tend towards inflation
noun
5.
the condition of being overheated
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 overheat
v.

"to make too hot" (transitive), late 14c., from over- + heat (v.). Intransitive sense "to become too hot" is from 1902, originally in reference to motor engines. Related: Overheated; overheating.

Online Etymology Dictionary, © 2010 Douglas Harper
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