From Longman Dictionary of Contemporary Englishwind chillwind chill /ˈwɪnd tʃɪl/ noun [uncountable] technicalthe cooling effect of the wind
It must have been minus 5 with the wind chill factor.Examples from the Corpuswind chill• The Masters invariably coincides with a wind chillfactor in this country.• Coldgustsdropped the wind chill into the low 40s and playedhavoc with final-round scores in the highest-scoring Nissan since 1984.• When the breezesstarted in earnest around 11, reports of the wind chill factor had us at minus-17.• The wind howls through the trees, the wind chilltemperaturemust be low, and I have no clothes on.wind chill factor• The Masters invariably coincides with a wind chill factor in this country.• When the breezes started in earnest around 11, reports of the wind chill factor had us at minus-17.
