Definition of exine
: the outer of the two major layers forming the walls of some spores and especially pollen grains
What's Trending Now
More Trending Words
Origin and Etymology of exine
International Scientific Vocabulary ex- + in- fibrous tissue, from Greek in-, is tendon
Learn More about exine
-
Britannica.com: Encyclopedia article about exine
Seen and Heard
What made you want to look up exine? Please tell us where you read or heard it (including the quote, if possible).
