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Definition of sub-zero adjective from the Oxford Advanced Learner's Dictionary

sub-zero

adjective
 
/ˌsʌb ˈzɪərəʊ/
 
/ˌsʌb ˈzɪrəʊ/
[usually before noun]
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  1. (of temperatures) below zero compare sub-freezing
See sub-zero in the Oxford Advanced American Dictionary
Check pronunciation: sub-zero

Nearby words

aspiration
noun
 
 
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