Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

pteridosperm

play
noun pte·ri·do·sperm \tə-ˈri-də-ˌspərm, ˈter-ə-dō-\

Definition of pteridosperm



Origin of pteridosperm

International Scientific Vocabulary


First Known Use: 1904


Learn More about pteridosperm


Seen and Heard

What made you want to look up pteridosperm? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!