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Definition of chill factor noun from the Oxford Advanced Learner's Dictionary

chill factor

noun
 
/ˈtʃɪl fæktə(r)/
 
/ˈtʃɪl fæktər/
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  1. the extent to which the wind makes the air feel colder; a number which represents this
    • With the chill factor, it's nearly minus forty here.
previously
adverb
 
 
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