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Characterized by the alternation of sexual and parthenogenic generations.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Biology) biology the alternation of parthenogenetic and sexual generations in rotifers and similar animals
2. (Botany) the condition in plants, such as the primrose, of having flowers that differ from each other in the length of their stamens and styles. Compare homogony
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
alterna′tion of genera′tions
the alternation in an organism's life cycle of dissimilar reproductive forms, esp. the alternation of sexual with asexual generations.
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