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temperature-humidity index
[ tem-per-uh-cher-hyoo-mid-i-tee in-deksor, often, -yoo-, -pruh-, -per-cher-, -choor ]
noun
, Meteorology.
- a number representing an estimate of the potentially debilitating effect of temperature and relative humidity on humans and animals, especially livestock: computed essentially as a combination of dry-bulb temperature and wet-bulb temperature but formulaically specific to a given species, as heat-stress tolerances vary significantly from one species to another. : THI, T.H.I.
temperature-humidity index
noun
- an index of the effect on human comfort of temperature and humidity levels, 65 being the highest comfortable level
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Word History and Origins
Origin of temperature-humidity index1
First recorded in 1955–60
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