Subzero (adjective)
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Look up subzero or sub-zero in Wiktionary, the free dictionary. |
Subzero, sub-zero (US: /sʌbˈzɪroʊ/ UK: /sʌbˈzɪərəʊ/ sub-zeer-oh) or subfreezing (/sʌbˈfriːzɪŋ/ sub-free-zing) [1] has two close but different meaning. In the United States of America and other counties that use the imperial system it refers to temperatures below 0 °F (−18 °C).[2][3][4] In countries that use the metric system it refers to temperatures below 0 °C (32 °F).[1] Subzero and sub-zero a combination of the prefix sub (below) and zero. Subfreezing is a combination of the prefix sub and freezing. In some cases subzero and sub-zero can refer to any number under zero[5], but they generally refer to temperature.[2]
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References[edit]
- ↑ 1.0 1.1 "sub-zero adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com". www.oxfordlearnersdictionaries.com. Retrieved 2018-10-11.
- ↑ 2.0 2.1 "Definition of SUBZERO". www.merriam-webster.com. Retrieved 2018-10-11.
- ↑ "the definition of subzero". www.dictionary.com. Retrieved 2018-10-11.
- ↑ "sub-zero adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com". www.oxfordlearnersdictionaries.com. Retrieved 2018-10-11.
- ↑ "subzero", The Free Dictionary, retrieved 2018-10-11
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