allergen

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allergen

any substance that induces an allergy, such as pollen, grasses, certain foods, and medications
Not to be confused with:
allergic – pertaining to an allergy: allergic to peanuts
allergy – an abnormal reaction of the body to an allergen, manifested by runny nose, skin rash, wheezing, etc.; hypersensitivity to the reintroduction of an allergen
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

al·ler·gen

 (ăl′ər-jən)
n.
A substance, such as pollen, that causes an allergy.

[German Allergen : Aller(gie), allergy; see allergy + -gen, -gen (from French -gène; see -gen).]

al′ler·gen′ic (-jĕn′ĭk) adj.
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.

allergen

(ˈæləˌdʒɛn) or

allergin

n
(Biology) any substance capable of inducing an allergy
ˌallerˈgenic adj
ˌallergeˈnicity n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

al•ler•gen

(ˈæl ər dʒən, -ˌdʒɛn)

n.
any substance, usu. a protein, that induces an allergic reaction in a particular individual.
[1910–15; aller(gy) + -gen]
al`ler•gen′ic (-ˈdʒɛn ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

al·ler·gen

(ăl′ər-jən)
A substance, such as pollen, that causes an allergy.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

allergen

- Though allergens are not harmful themselves, when they are combined with certain antibodies, a reaction (i.e. the allergy) liberates substances that damage body cells and tissues.
See also related terms for harmful.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.allergen - any substance that can cause an allergyallergen - any substance that can cause an allergy
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
ragweed pollen - pollen of the ragweed plant is a common allergen
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
alergen
allergen

allergen

[ˈælədʒən] Nalérgeno m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

allergen

[ˈælərɛn] nallergène m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

allergen

n (Med) → Allergen nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

al·ler·gen

n. alérgeno, antígeno que induce una respuesta alérgica o hipersensitiva.
English-Spanish Medical Dictionary © Farlex 2012

allergen

n alérgeno or alergeno
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.