Try Our Apps
Dictionary.com

follow Dictionary.com

Words You've Been Using Wrong

exine

[ek-seen, -sahyn] /ˈɛk sin, -saɪn/
noun, Botany.
1.
the outer coat of a spore, especially a pollen grain.
Also, extine.
Origin of exine
1880-1885
First recorded in 1880-85; ex-1 + -ine1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
British Dictionary definitions for exine

exine

/ˈɛksɪn, -aɪn/
noun
1.
(botany) the outermost coat of a pollen grain or a spore Compare intine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
exine in Science
exine
  (ěk'sēn', -sīn')   
The outer layer of the wall of a pollen grain. The exine is composed of the most durable organic polymer known, sporopollenin. Also called extine.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Nearby words for exine

Word Value for exine

12
13
Scrabble Words With Friends