Alternation of generation
Alternation Al`ter*na"tion, n. [L. alternatio: cf. F. alternation.] 1. The reciprocal succession of things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; as, the alternation of day and night, cold and heat, summer and winter, hope and fear. [1913 Webster]

2. (Math.) Permutation. [1913 Webster]

3. The response of the congregation speaking alternately with the minister. --Mason. [1913 Webster]

{Alternation of generation}. See under {Generation}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Alternation of generations — (also known as alternation of phases or metagenesis) is a term primarily used in describing the life cycle of plants (taken here to mean the Archaeplastida). A multicellular sporophyte, which is diploid with 2N paired chromosomes (i.e. N pairs),… …   Wikipedia

  • alternation of generations — al·ter·na·tion of generations .ȯl tər nā shənalso .al n the occurrence of two or more forms differently produced in the life cycle of a plant or animal usu. involving the regular alternation of a sexual with an asexual generation but not… …   Medical dictionary

  • alternation of generations — Date: 1858 the occurrence of two or more forms differently produced in the life cycle of a plant or animal usually involving the regular alternation of a sexual with an asexual generation …   New Collegiate Dictionary

  • Alternation — Al ter*na tion, n. [L. alternatio: cf. F. alternation.] 1. The reciprocal succession of things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; as, the alternation of day and… …   The Collaborative International Dictionary of English

  • Generation — Gen er*a tion, n. [OE. generacioun, F. g[ e]n[ e]ration, fr.L. generatio.] 1. The act of generating or begetting; procreation, as of animals. [1913 Webster] 2. Origination by some process, mathematical, chemical, or vital; production; formation;… …   The Collaborative International Dictionary of English

  • Generation alternation — #REDIRECT Alternation of generations …   Wikipedia

  • Generation of '98 — The Generation of 98 (also called Generation of 1898 or, in Spanish, Generación del 98 or Generación de 1898) was a group of novelists, poets, essayists, and philosophers active in Spain at the time of the Spanish American War (1898). The name… …   Wikipedia

  • Alternate generation — Generation Gen er*a tion, n. [OE. generacioun, F. g[ e]n[ e]ration, fr.L. generatio.] 1. The act of generating or begetting; procreation, as of animals. [1913 Webster] 2. Origination by some process, mathematical, chemical, or vital; production;… …   The Collaborative International Dictionary of English

  • Spontaneous generation — Generation Gen er*a tion, n. [OE. generacioun, F. g[ e]n[ e]ration, fr.L. generatio.] 1. The act of generating or begetting; procreation, as of animals. [1913 Webster] 2. Origination by some process, mathematical, chemical, or vital; production;… …   The Collaborative International Dictionary of English

  • antithetic generation — Alternation of generations in which the alternates are very different in appearance and origin …   Dictionary of invertebrate zoology

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