Definition of acclimatize in English:



  • 1 Acclimate.

    ‘they acclimatized themselves before ascending Everest’
    • ‘The coaches have kept the same training regime and Richardson expects the athletes will be acclimatised by the time they move from Erba to Milan.’
    • ‘You may have to start acclimatizing them to that, though.’
    • ‘After a three-day, porter-assisted trek to the 9,000-foot base camp, you'll spend a day acclimatizing, and then launch a 4 a.m. assault on the craggy granite peak.’
    • ‘Our second decade in America, during the nineties, saw us emerge gradually from the initial struggle to acclimatize ourselves and establish a secure financial footing without Gerard's film work as one of our main sources of income.’
    • ‘You'll need to acclimatize yourself back to regular life again.’
    • ‘She felt like she was acclimatizing, so to speak, to the life of a rock star.’
    • ‘It would allow me to gain a greater understanding of popular culture and help me acclimatize to society.’
    • ‘Although troops need to be acclimatized for any kind of mountainous terrain, the duration depends on the altitude at which the unit must operate.’
    • ‘To inculcate middle-class values and conduct into the rural poor and to acclimatize them to urban life, rules and expectations seems to take about that long once you get serious about it.’
    • ‘Cara might have been new to their world, but she was fairly good at acclimatizing herself.’
    • ‘The soldiers, who had not been acclimatized or equipped to fight in the mountains, suffered heavy casualties because of frostbite, edema, and other high-altitude-induced illnesses.’
    • ‘Carlow skipper Rory Sheriff will have little difficulty in acclimatising having been in the Shannon second row with Mick Galwey when they won the AIL title.’
    • ‘Well-trained, acclimatized troops must be available to replace those at higher altitudes.’
    • ‘Prior to the 1996 Olympic Games, the Belarus team acclimatized themselves to the time zone by training in Roswell, Georgia.’
    • ‘The refined aesthete Barry Humphries has acclimatized himself to English society, but the monsters he gestates rampage on his behalf and terrorize the toffs.’
    • ‘Arriving in Tibet in late August, Koch and Chin acclimatized by climbing and skiing Changzheng, Everest's 24,890-foot neighbor.’
    • ‘Athletes should be advised to acclimatize for at least three to four days before exerting in the heat.’
    • ‘Spend four days acclimatizing in Lhasa and continue across this amazing land. negotiating 17,000-foot passes through the ice-bound Himalayas.’
    • ‘Staff should be acclimatized and trained in new technologies and methodologies.’
    • ‘We're taking another day here just to make sure we're acclimatized.’
    adjust, adapt, attune, accustom, get accustomed, get someone accustomed, get used, get someone used, accommodate, habituate, assimilate, acculturate, become inured, harden, condition, reconcile, become resigned, resign oneself
    familiarize oneself with, familiarize someone with, find one's way around, come to terms with, come to accept, learn to live with
    integrate, domesticate
    find one's feet, get one's bearings, become naturalized, become seasoned
    View synonyms
    1. 1.1Biology
      Respond physiologically or behaviorally to changes in a complex of environmental factors.
      Compare with acclimate
      • ‘This guard cell response to CO 2 acclimatizes to the environmental conditions on the transfer of plants between the two environments.’
      • ‘Differences between baseline and follow-up measurements could be, in part, due to the fact that the patients may have acclimatized to the conditions surrounding the test during the follow-up visits.’
      • ‘The first-order rate equation can be used under conditions where micro-organisms become acclimatized to the chemical and can actively use it.’
      • ‘B. napus inflorescences were unable to acclimatize to the increased temperatures as seed production was inhibited throughout the HTS periods, regardless of the duration of the stress.’
      • ‘Several new studies point to evidence that some organisms with limited capacities to acclimatize to thermal or hydric change may be limited in their ability to survive future climate changes.’
    2. 1.2Botany Horticulture
      [with object]Harden off (a plant)
      • ‘Both exotic and indigenous species were acclimatised, and specialised sections, such as rosaries, ferneries, borders, and cactus gardens, developed.’
      • ‘Six-week-old plants were acclimatized in the greenhouse.’
      • ‘In addition, the potted seedlings were acclimatized to a glasshouse conditions through gradual decrease of the humidity to 80%.’
      • ‘Rooted plants with three or four fully expanded leaves were transferred to a peat substratum and acclimatized in a glasshouse.’


Mid 19th century: from French acclimater acclimatize + -ize.