WordReference Random House Unabridged Dictionary of American English © 2025
pterido-, 
  1. a combining form meaning "fern,'' used in the formation of compound words:pteridology.
  • Neo-Latin, combining form representing Greek pterís (stem pterid-) fern, derivative of pterón feather

'pterido-' also found in these entries (note: many are not synonyms or translations):
pteridology - pteridophyte - pteridosperm

Forum discussions with the word(s) "pterido-" in the title:


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