acclimatize

verb

ac·​cli·​ma·​tize ə-ˈklī-mə-ˌtīz How to pronounce acclimatize (audio)
acclimatized; acclimatizing
acclimatization noun
acclimatizer noun

Examples of acclimatize in a Sentence

The mountain climbers spent a few days acclimatizing themselves to the high altitude. had lived through several northern winters before she fully acclimatized her wardrobe
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One of their two dogs has only recently been rescued herself, and is still acclimatizing to their home, Seeger explained, and taking on a third dog also comes with its own financial and emotional cost. Rachael O'Connor, MSNBC Newsweek, 10 Nov. 2025 But after spending these first months acclimatizing to his new role, the first American pope is slowly getting into his stride. Christopher Lamb, CNN Money, 8 Nov. 2025 These seemingly pointless advertisements have a purpose, the Poles told me: to acclimatize first the federal police, and then the rest of us, to cruelty as entertainment. Adam Gopnik, New Yorker, 30 Oct. 2025 The smoke may have handed him a counterintuitive beginner’s advantage, having acclimatized his lungs to 25 years of CO₂ poisoning. Sean Williams, Outside, 27 Oct. 2025 See All Example Sentences for acclimatize

Word History

Etymology

ad- + climate + -ize (perhaps modeled on French acclimater) — more at acclimate

First Known Use

1802, in the meaning defined above

Time Traveler
The first known use of acclimatize was in 1802

Browse Nearby Words

Cite this Entry

“Acclimatize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acclimatize. Accessed 17 Nov. 2025.

Kids Definition

acclimatize

verb
ac·​cli·​ma·​tize ə-ˈklī-mə-ˌtīz How to pronounce acclimatize (audio)
acclimatized; acclimatizing
acclimatization noun

Medical Definition

acclimatize

verb
ac·​cli·​ma·​tize
variants or British acclimatise
acclimatized or British acclimatised; acclimatizing or British acclimatising

transitive verb

: to adapt to a new temperature, altitude, climate, environment, or situation
acclimatization noun
or British acclimatisation

More from Merriam-Webster on acclimatize

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