Try Our Apps
Dictionary.com

follow Dictionary.com

2017 Word of the Year

immunodeficiency

[im-yuh-noh-di-fish-uh n-see, ih-myoo-] /ˌɪm yə noʊ dɪˈfɪʃ ən si, ɪˌmyu-/
noun, plural immunodeficiencies.
1.
impairment of the immune response, predisposing to infection and certain malignancies.
Origin of immunodeficiency
1970-1975
First recorded in 1970-75; immuno- + deficiency
Related forms
immunodeficient, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
British Dictionary definitions for immunodeficiency

immunodeficiency

/ˌimjʊnəʊdɪˈfɪʃənsɪ/
noun
1.
a deficiency in or breakdown of a person's immune system
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
Cite This Source
Word Origin and History for immunodeficiency
n.

1969, from comb. form of immune + deficiency.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
immunodeficiency in Medicine

immunodeficiency im·mu·no·de·fi·cien·cy (ĭm'yə-nō-dĭ-fĭsh'ən-sē, ĭ-myōō'-)
n.
A disorder or deficiency of the normal immune response. Also called immune deficiency.


im'mu·no·de·fi'cient adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
immunodeficiency in Science
immunodeficiency
  (ĭm'yə-nō-dĭ-fĭsh'ən-sē, ĭ-my'-)   
The inability to produce a normal immune response, caused by an acquired or inherited disease.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Nearby words for immunodeficiency

Difficulty index for immunodeficiency

Some English speakers likely know this word

Word Value for immunodeficiency

0
37
Scrabble Words With Friends