Alternation may refer to:

  • Alternation (card game)
  • Alternation (linguistics), a variation in the phonological form of a morpheme
  • Diathesis alternation
  • Alternation (complexity), a resource in computational complexity theory
  • R/N alternation, see Rhotacism
  • AlterNation, a show on NE1 FM
  • Alternation (geometry), a geometric operation for deriving polytopes from other polytopes.
  • Alternation (formal language theory), the set union of two sets of strings in formal language theory and pattern matching

Famous quotes containing the word alternation:

    The law of nature is alternation for evermore. Each electrical state superinduces the opposite. The soul environs itself with friends, that it may enter into a grander self-acquaintance or solitude; and it goes alone for a season, that it may exalt its conversation or society.
    Ralph Waldo Emerson (1803–1882)