exa-

English dictionary entry

Meanings

prefix
  1. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10¹⁸ (a short scale quintillion or long scale trillion).

Word forms

exa-

Etymology

From Ancient Greek ἕξ (héx, “six”), for the sixth order of 10³, analogous to tera-.

Antonyms

Related words

mul:E-

Derived words

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