SINCE 1828
subzero
adjective
sub·ze·ro
| \ ˌsəb-ˈzē-(ˌ)rō
, -ˈzir-(ˌ)ō\
, -ˈzir-(ˌ)ō\
variants:
or sub-zero
Definition of subzero
1
: registering less than zero on some scale (especially the Fahrenheit scale)
subzero temperatures
2
: characterized by or suitable for subzero temperatures
subzero winters sub-zero snow boots Here the altitude was almost a mile and a half above sea level and there was already hard frost in the mornings. With the first storm, the mornings would be subzero.— Tony Hillerman
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More Definitions for subzero
subzero
adjective
English Language Learners Definition of subzero
: below zero degrees : extremely cold
See the full definition for subzero in the English Language Learners Dictionary
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