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planogamete

American  
[plan-oh-gam-eet, plan-uh-guh-meet] / ˌplæn oʊˈgæm it, ˈplæn ə gəˌmit /

noun

Biology.
  1. a motile gamete.


planogamete British  
/ ˈplænəɡəˌmiːt /

noun

  1. a motile gamete, such as a spermatozoon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of planogamete

First recorded in 1885–90; plano- 2 + gamete