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pteridosperm

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

noun

pteridosperm

/ ˈtɛrɪdəˌspɜːm /

noun

  1. any extinct seed-producing fernlike plant of the group Pteridospermae Also calledseed fern
“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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Word History and Origins

Origin of pteridosperm1

1900–05; < New Latin Pteridospermales the order; pterido-, sperm 1, -ales
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Word History and Origins

Origin of pteridosperm1

C19: from Greek pteris a fern + -sperm

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pteridophytepterion

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