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

Definition of acclimatize

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Other Words from acclimatize

acclimatization \ ə-​ˌklī-​mə-​tə-​ˈzā-​shən How to pronounce acclimatize (audio) \ 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 Only so much can be read into the 3-1 loss in Saturday’s finale at Buffalo, and the Wings' 4-4 record — no one plays with a full NHL lineup — but the past two weeks have been a time for players to acclimatize and coaches to evaluate. Helene St. James, Detroit Free Press, 10 Oct. 2021 People can eventually acclimatize to some level of heat. Tanya Lewis, Scientific American, 22 July 2021 In April at Mount Everest base camp, where climbers acclimatize to the extreme altitude before heading to the summit of the world’s highest peak, Jangbu Sherpa fell ill with a cough and fever. New York Times, 27 June 2021 The Tilghmans did their best to help the girls acclimatize to their new life. Sam Gillette,, 22 June 2021 Give him time to acclimatize to The League, and to learn Shanahan’s complex system. Scott Ostler, San Francisco Chronicle, 26 Mar. 2021 Migrant workers coming from less arid states in Mexico and Central America can be more affected until their bodies acclimatize to the dry heat in Yuma, Lopez-Galvez said. Erin Stone, The Arizona Republic, 19 Jan. 2021 Fahrenheit, there were enough days to acclimatize and establish the camps, and then on summit day, the windchill was more manageable at minus 40 degrees Fahrenheit. Alan Arnette, Outside Online, 16 Jan. 2021 This new class of players has been (and will continue to be) afforded less time to acclimatize to the NFL game than any other in recent history. Luke Johnson,, 10 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acclimatize.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of acclimatize

1802, in the meaning defined above

History and Etymology for acclimatize

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

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The first known use of acclimatize was in 1802

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Last Updated

17 Oct 2021

Cite this Entry

“Acclimatize.” Dictionary, Merriam-Webster, Accessed 20 Oct. 2021.

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More Definitions for acclimatize



English Language Learners Definition of acclimatize

: to adjust or adapt to a new climate, place, or situation : acclimate


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

Kids Definition of acclimatize


variants: or British acclimatise \ ə-​ˈklī-​mə-​ˌtīz How to pronounce acclimatize (audio) \
acclimatized or British acclimatised; acclimatizing or British acclimatising

Medical Definition of acclimatize

transitive verb

: to adapt to a new temperature, altitude, climate, environment, or situation

Other Words from acclimatize

acclimatization or British acclimatisation \ ə-​ˌklī-​mət-​ə-​ˈzā-​shən How to pronounce acclimatize (audio) \ noun

More from Merriam-Webster on acclimatize

Nglish: Translation of acclimatize for Spanish Speakers

Britannica English: Translation of acclimatize for Arabic Speakers


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