Pentadecathlon

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A sporting event consisting of fifteen different sports or contests.
  2. 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."

Example

More examples

"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."

Etymology

From pentadeca- + -athlon.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.