pteridosperm
[ tuh-rid-uh-spurm, ter-i-doh- ]
noun
Origin of pteridosperm
1Words Nearby pteridosperm
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British Dictionary definitions for pteridosperm
pteridosperm
/ (ˈtɛrɪdəˌspɜːm) /
noun
any extinct seed-producing fernlike plant of the group Pteridospermae: Also called: seed fern
Origin of pteridosperm
1C19: 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
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