affinity
[ uh-fin-i-tee ]
/ əˈfɪn ɪ ti /
Save This Word!
noun, plural af·fin·i·ties.
adjective
of or relating to persons who share the same interests: to arrange charter flights for opera lovers and other affinity groups.
SYNONYMS FOR affinity
ANTONYMS FOR affinity
QUIZZES
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.
TAKE THE QUIZ TO FIND OUT 
Meet Grammar Coach
Improve Your Writing
Origin of affinity
OTHER WORDS FROM affinity
non·af·fin·i·ty, noun, plural non·af·fin·i·ties, adjectiveWORDS THAT MAY BE CONFUSED WITH affinity
affinity , infinityDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for affinity
British Dictionary definitions for affinity
affinity
/ (əˈfɪnɪtɪ) /
noun plural -ties
Derived forms of affinity
affinitive, adjectiveWord Origin for affinity
C14: via Old French from Latin affīnitāt- connected by marriage, from affīnis bordering on, related
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 affinity
affinity
[ ə-fĭn′ĭ-tē ]
n.
An attraction or force between particles that causes them to combine.
The attraction between an antigen and an antibody.
A relationship or resemblance in structure between species that suggests a common origin.
The selective staining of a tissue by a dye.
The selective uptake of a dye, chemical, or other substance by a tissue.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for affinity
affinity
[ ə-fĭn′ĭ-tē ]
A relationship or resemblance in structure between species that suggests a common origin.
An attraction or force between particles that causes them to combine, as the attraction between an antigen and an antibody.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.