EXA-


Meaning of EXA- in English

/ ˈeksə-; NAmE / combining form

(in units of measurement) 10 18 :

exajoule

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WORD ORIGIN

from (h)exa- from Greek hex six, based on the supposed analogy of tera- and tetra- .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.