SINCE 1828
Alethopteris
noun
Al·e·thop·ter·is
| \ ˌa-lə-ˈthäp-tə-rəs\
Definition of Alethopteris
: a genus of large fossil seed ferns represented by abundant remains in Carboniferous coal measures and having large bipinnate to tripinnate fronds with the thick pinnules being inserted on the rachis by a broad decurrent base
Keep scrolling for more
Comments on Alethopteris
What made you want to look up Alethopteris? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Finance Words Quiz
-
- The etymology of mortgage is related most closely to which two words?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share Alethopteris
Resources for Alethopteris