pteridosperm

noun

pte·​ri·​do·​sperm tə-ˈri-də-ˌspərm How to pronounce pteridosperm (audio) ˈter-ə-dō- How to pronounce pteridosperm (audio)
: seed fern

Word History

Etymology

International Scientific Vocabulary

First Known Use

1904, in the meaning defined above

Time Traveler
The first known use of pteridosperm was in 1904

Dictionary Entries Near pteridosperm

pteridophytic

pteridosperm

Pteridospermae

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Cite this Entry

“Pteridosperm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pteridosperm. Accessed 26 Nov. 2024.

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Britannica.com: Encyclopedia article about pteridosperm

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