temperature-humidity index

[ tem-per-uh-cher-hyoo-mid-i-tee in-deks or, often, -yoo-, -pruh-, -per-cher-, -choor ]

nounMeteorology.
  1. 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. Abbreviations: THI, T.H.I.

Origin of temperature-humidity index

1
First recorded in 1955–60

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British Dictionary definitions for temperature-humidity index

temperature-humidity index

noun
  1. an index of the effect on human comfort of temperature and humidity levels, 65 being the highest comfortable level

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