temperature-humidity index

American  

[tem-per-uh-cher-hyoo-mid-i-tee in-deks, -yoo-, -pruh-, -per-cher-, -choor] / ˈtɛm pər ə tʃər hjuˈmɪd ɪ ti ˈɪn dɛks, -ju-, -prə-, -pər tʃər-, -ˌtʃʊər /

noun

Meteorology.

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. THI, T.H.I.

---

temperature-humidity index British  

noun

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

---

Etymology

Origin of temperature-humidity index

First recorded in 1955–60

Example Sentences

See Examples For:

temperature-humidity index

In truth, far smaller figures can overtax ordinary people, many of whom, after all, have trouble fathoming the weather service's temperature-humidity index.

From Time Magazine Archive

The Castle, with a high temperature-humidity index, comes to mind.

From Time Magazine Archive