Pronunciation: (hyOO'mi-chur, -choor" or, often, yOO'-), [key]
1. a measure of the discomfort most people feel because of the combined effects of atmospheric temperature and humidity; variously defined as Fahrenheit temperature plus some function of vapor pressure.
2. (formerly) the average of the Fahrenheit temperature and the relative humidity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.