pteridosperm

[ tuh-rid-uh-spurm, ter-i-doh- ]

noun

Origin of pteridosperm

1
1900–05; <New Latin Pteridospermales the order; see pterido-, sperm1, -ales

Words Nearby pteridosperm

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British Dictionary definitions for pteridosperm

pteridosperm

/ (ˈtɛrɪdəˌspɜːm) /


noun
  1. any extinct seed-producing fernlike plant of the group Pteridospermae: Also called: seed fern

Origin of pteridosperm

1
C19: from Greek pteris a fern + -sperm

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