-ein


Also found in: Medical.

-ein

suff.
A chemical compound related to a specified compound with a similar name ending in -in or -ine: phthalein.
[Alteration of -in.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.