Word.ws English Dictionary

tre-

tre- prefix: used for forming names of large numbers as the third in the sequence in the Conway–Guy system.

Prefix

tre-

  1. Used for forming names of large numbers as the third in the sequence in the Conway–Guy system.
    • five trequinquagintillion, nine hundred fifty eight doquinquagintillion, nine hundred thirty five unquinquagintillion, nine hundred eighty quinquagintillion, three hundred sixty two novemquadragintillion, six hundred forty five octoquadragintillion, eight hundred twenty five septenquadragintillion...1999 August 30, Clive Tooth, “Could anyone tell me how to say this number?”, in sci.math (Usenet), archived from the original on 30 Dec 2025

Origin of tre-

From a form of Latin trēs (“three”) used in trēdecim (“thirteen”).

Questions about tre-

What does tre- mean?
Tre- means used for forming names of large numbers as the third in the sequence in the Conway–Guy system.
What part of speech is tre-?
Tre- is a prefix.

Words near tre- in the dictionary

  1. TRDMF
  2. trDNA
  3. trDNAs
  4. tre
  5. tre corde
  6. tre-
  7. Tre-Fo
  8. treacher
  9. Treacher Collins syndrome
  10. treacherer
  11. treacherers

Source and license

Adapted from Wiktionary: tre- (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: “tre-.” Word.ws, https://word.ws/tre-. Based on Wiktionary, CC BY-SA 4.0.