pyrene Hear it!

pyrene1 definition

py·rene (pī′rēn′)

noun

the stone of an apple, pear, or other drupe that contains several seeds

Etymology: ModL pyrena < Gr pyrēn, stone of a fruit, akin to pyros, grain of wheat < IE base *pūro-, cereal > furze

pyrene2 definition

py·rene (pī′rēn′)

noun

a colorless hydrocarbon, CH, obtained from coal tar: its structure consists of the fusion of four benzene rings

Etymology: pyr- + -ene

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.