Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

exine

play
noun ex·ine \ˈek-ˌsēn, -ˌsīn\

Definition of exine

  1. :  the outer of the two major layers forming the walls of some spores and especially pollen grains



Origin of exine

International Scientific Vocabulary ex- + in- fibrous tissue, from Greek in-, is tendon


First Known Use: circa 1884


Learn More 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).

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift duvet kittly-benders pince-nez
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ