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a suffix of adjectives of Greek or Latin origin, meaning “of or pertaining to,” “of the nature of,” “made of,” “like”: asinine; crystalline; equine; marine.



Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Compare -in1.

Origin of -ine

<Latin -īnus, -inus<Greek -inos

Definition for -ine (2 of 2)


a suffix, of no assignable meaning, appearing in nouns of Greek, Latin, or French origin: doctrine; famine; routine.
a noun suffix used particularly in chemical terms (bromine; chlorine), and especially in names of basic substances (amine; aniline; caffeine; quinine; quinoline).Compare -in2.
a suffix of feminine nouns (heroine), given names (Clementine), and titles (landgravine).
Compare -ina1.

Origin of -ine

<French <Latin -ina, originally feminine of -inus; also representing Greek -inē, feminine noun suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for -ine (1 of 3)

/ (ˈɪnə, ˈɪnɪ) /


died after 726, king of Wessex (688–726)

British Dictionary definitions for -ine (2 of 3)


suffix forming adjectives

of, relating to, or belonging tosaturnine
consisting of or resemblingcrystalline
from Latin -īnus, from Greek -inos

British Dictionary definitions for -ine (3 of 3)


suffix forming nouns

indicating a halogenchlorine
indicating a nitrogenous organic compound, including amino acids, alkaloids, and certain other basesalanine; nicotine; purine
Also: -in indicating a chemical substance in certain nonsystematic namesglycerine
indicating a mixture of hydrocarbonsbenzine
indicating a feminine formheroine
an obsolete equivalent of -yne
via French from Latin -ina (from -inus) and Greek -inē
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

Medical definitions for -ine



or -in A chemical substance:bromine, amine, quinine.
Amino acid:glycine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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