| 单词 | exa |
| 释义 | exa- in British Englishprefix denoting 1018 exametres Symbol: Eexa- in American English (ˈɛksə; ˈɛgzə) one quintillion; the factor 1018 exajoule exa- in American Englishprefix a combining form used in the names of units of measure equal to one quintillion (1018) of a given base unit Word origin [prob. ‹ Gk exō- outside, out of]Definition of 'exa-' |
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