Definition of humidex in English:
humidex
nounˈhjuːmɪdɛksˈhjumədɛks
Canadian A measure indicating the level of discomfort the average person is thought to experience as a result of the combined effects of the temperature and humidity of the air.
the humidex in Ottawa was as high as 40 degrees Monday
Origin
1960s: from humidity + index.
Definition of humidex in US English:
humidex
nounˈhjumədɛksˈhyo͞omədeks
Canadian A measure indicating the level of discomfort the average person is thought to experience as a result of the combined effects of the temperature and humidity of the air.
the humidex in Ottawa was as high as 40 degrees Monday
Origin
1960s: from humidity + index.