Dictionary.com
definitions
  • synonyms

temperature-humidity index

[tem-per-uh-cher-hyoo-mid-i-tee or, often, -yoo-, -pruh-, -per-cher-, -choo r]
noun
  1. a number representing an estimate of the effect of temperature and moisture on humans, computed by multiplying the sum of dry-bulb and wet-bulb temperature readings by 0.4 and adding 15, with 65 assumed as the highest comfortable index. Abbreviation: T.H.I.
Show More
Compare heat index.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012