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[uh-klahy-muh-tahyz] /əˈklaɪ məˌtaɪz/
verb (used with object), verb (used without object), acclimatized, acclimatizing.
to acclimate.
Origin of acclimatize
1830-40; acclimate + -ize
Related forms
acclimatizable, adjective
acclimatization, noun
reacclimatization, noun
reacclimatize, verb, reacclimatized, reacclimatizing.
unacclimatized, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for acclimatization
  • acclimatization may take weeks, although significant adaptation occurs within a few days of the first exposure.
  • As with other rhythm action games, you need to allow yourself a good hour for acclimatization.
  • That's an adaptive process the human body is already capable of, but the necessary acclimatization can take weeks.
  • The ascent is gradual, as much for acclimatization as for taking in the mountain's unique ecology in the company of expert guides.
  • Also, acclimatization should be emphasized by the organizers as much as possible.
  • Keep in mind that acclimatization can occur naturally for outdoor workers in a hot climate as the weather changes.
British Dictionary definitions for acclimatization


to adapt or become accustomed to a new climate or environment
Derived Forms
acclimatizable, acclimatisable, acclimatable, adjective
acclimatization, acclimatisation, acclimation, noun
acclimatizer, acclimatiser, noun
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 acclimatization



1836; see acclimate + -ize; a more recent formation than acclimate and replacing it in many uses. Related: Acclimatized; acclimatizing.

Online Etymology Dictionary, © 2010 Douglas Harper
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