Word.ws English Dictionary

pentadecathlon

pentadecathlon noun: a sporting event consisting of fifteen different sports or contests.

Noun

pentadecathlon (plural pentadecathlons)

  1. A sporting event consisting of fifteen different sports or contests.
  2. A particular oscillator that returns to its initial state after 15 generations.
    • X! Produces a westward stream of lightweight spaceships representing prime numbers: a LWSS escapes past the pentadecathlon around generation 120n+100 if and only if n is prime.1993 March 16, David Bell, “Life program (part 6/18)”, in comp.theory.cell-automata (Usenet)
    • The speed was very dependent on the number of live cells, but it ran the pentadecathlon at 92 gen/sec in the last version I measured.2002 July 23, Owen Rees, “Wolfram and "general 2D simulators"”, in comp.theory.cell-automata (Usenet)

Forms of pentadecathlon

pluralpentadecathlons

Origin of pentadecathlon

From pentadeca- + -athlon.

Questions about pentadecathlon

What does pentadecathlon mean?
Pentadecathlon means a sporting event consisting of fifteen different sports or contests.
What part of speech is pentadecathlon?
Pentadecathlon is a noun.
What is the plural of pentadecathlon?
The plural of pentadecathlon is pentadecathlons.

Words near pentadecathlon in the dictionary

  1. pentadecanoyl
  2. pentadecaoxide
  3. pentadecapeptide
  4. pentadecapeptides
  5. pentadecasyllabic
  6. pentadecathlon
  7. pentadecathlons
  8. pentadecatoic acid
  9. pentadecene
  10. pentadecenes
  11. pentadecenoate

Source and license

Adapted from Wiktionary: pentadecathlon (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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