Word.ws English Dictionary

exa-

exa- 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.

Prefix

exa-

  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); one million million million.

exa- meaning in Tamil and Vietnamese

exa- in Tamil

இளஞ்சி, எச்சா

exa- in Vietnamese

SI prefix
ê-xa

Antonyms of exa-

Origin of exa-

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

Words formed from exa-

Questions about exa-

What does exa- mean?
Exa- means 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.
What is exa- in Tamil?
Exa- in Tamil is இளஞ்சி, எச்சா. See Exa- meaning in Tamil.
What part of speech is exa-?
Exa- is a prefix.

Words near exa- in the dictionary

  1. ex-wives
  2. ex-worker
  3. ex-Yu
  4. ex.
  5. ex. gr.
  6. exa-
  7. exabit
  8. exabits
  9. exabyte
  10. exabytes
  11. exacerbate

Source and license

Adapted from Wiktionary: exa- (page history and authors); exa- (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “exa-.” Word.ws, https://word.ws/exa-. Based on Wiktionary, CC BY-SA 4.0.