Pteridospermaphyta

plural noun

Pter·​i·​do·​spermaphyta
¦terə(ˌ)dō+
in some classifications
: a group of fossil plants coextensive with the order Cycadofilicales but treated as coordinate with Gymnospermae and Angiospermae
pteridospermaphytic
¦⸗⸗(ˌ)⸗¦spərmə¦fitik
adjective
pteridospermous
-məs
adjective

Word History

Etymology

New Latin, from pterid- + Spermaphyta

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Pteridospermaphyta

Cite this Entry

“Pteridospermaphyta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Pteridospermaphyta. Accessed 23 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!