Definition of climate
1 : a region of the earth having specified climatic conditions
His physician advised moving to a warmer climate.
2a : the average course or condition of the weather at a place usually over a period of years as exhibited by temperature, wind velocity, and precipitation
a healthful climate a warm, humid climate
b : the prevailing set of conditions (as of temperature and humidity) indoors
a climate-controlled office
3 : the prevailing influence or environmental conditions characterizing a group or period : atmosphere a climate of fear a climate of suspicion the cultural climate of the 1960s
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Time Traveler for climate
The first known use of climate was in 1578
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