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apospory

[ ap-uh-spawr-ee, -spohr-ee, uh-pos-puh-ree ]

noun

, Botany.
  1. the development of a gametophyte from a sporophyte without meiosis.


apospory

/ ˈæpəˌspɔːrɪ /

noun

  1. botany development of the gametophyte from the sporophyte without the formation of spores
  2. the development of an embryo of a flowering plant outside the embryo sac, from a cell of the nucellus or chalaza
“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


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Other Words From

  • ap·o·spor·ic [ap-, uh, -, spawr, -ik, -, spor, -], a·pos·por·ous [uh, -, pos, -per-, uh, s, ap-, uh, -, spawr, -, uh, s, -, spor, -], adjective
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Word History and Origins

Origin of apospory1

First recorded in 1880–85; apo- + spor- + -y 3
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Word History and Origins

Origin of apospory1

C19: from apo- + spore + -y 1
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Example Sentences

This phenomenon of apospory was first discovered in mosses, but is now also known in a number of ferns (see Pteridophyta).

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aposiopesisapostasy