alternation

alternation is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Math.) Permutation.
  2. 2.The response of the congregation speaking alternately with the minister. Mason. Alternation of generation. See under Generation.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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Definition-first questions whose answer is alternation.

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