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  1. al·ter·na·tion
    IPA[ˌôltərˈnāSH(ə)n]
  2. noun

    • 1. the repeated occurrence of two things in turn:

      the regular alternation of stressed and unstressed syllables
  3. Variation

    • n.: noun: alternation, plural noun: alternations

    • noun

      the repeated occurrence of two things in turn:
    • noun

      a pattern of reproduction occurring in the life cycles of many lower plants and some invertebrates, involving a regular alternation between two distinct forms. The generations are alternately sexual and asexual (as in ferns) or dioecious and parthenogenetic (as in some jellyfish).
    • noun

      a pattern of reproduction occurring in the life cycles of many lower plants and some invertebrates, involving a regular alternation between two distinct forms. The generations are alternately sexual and asexual (as in ferns) or dioecious and parthenogenetic (as in some jellyfishes).
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