exa-
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exa-
Where it comes from
From Ancient Greek ἕξ (héx, “six”), for the sixth order of 10³, analogous to tera-.
prefix
- 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); one million million million.
Opposite: atto-
Thesaurus
prefix
Opposite: atto-
Translations
Talk about this word "exa-." Wiktionary, via Micwyn, micwyn.com/word/exa-. Accessed 6 Nov. 2026. exa-. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/exa- "exa-." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/exa-.Cite this
@misc{exa_2026,
title = {exa-},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/exa-},
urldate = {2026-11-06}
}
