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exa-

combining form
🔊/eksə/
🔊/eksə/
(specialist)
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  1. (in units of measurement用于计量单位) 1018艾（可萨），百亿亿（即 1018）
    • exajoule百亿亿焦耳
    Word Originfrom (h)exa- from Greek hex ‘six’, based on the supposed analogy of tera- and tetra-.