immunodeficiency

noun
im·​mu·​no·​de·​fi·​cien·​cy | \ ˌi-myə-nō-di-ˈfi-shən(t)-sē How to pronounce immunodeficiency (audio) , i-ˌmyü-nō- \

Definition of immunodeficiency

: inability to produce a normal complement of antibodies or immunologically sensitized T cells especially in response to specific antigens

Keep scrolling for more

Other Words from immunodeficiency

immunodeficient \ ˌi-​myə-​nō-​di-​ˈfi-​shənt How to pronounce immunodeficiency (audio) , i-​ˌmyü-​nō-​ \ adjective

Examples of immunodeficiency in a Sentence

Recent Examples on the Web One of the first attempts came in 1990, when researchers at the National Institutes of Health treated two young girls with severe immunodeficiency caused by a missing enzyme. Esther Landhuis, Scientific American, 18 Oct. 2021 Have moderate or severe primary immunodeficiency, such as DiGeorge syndrome or Wiskott-Aldrich syndrome. Kristen Jordan Shamus, Detroit Free Press, 24 Sep. 2021 Lung disease, asthma, heart disease and, of course, immunodeficiency, are all risk factors for more serious cases. Sandee Lamotte, CNN, 10 Oct. 2021 People with severe immunodeficiency should consult with an infectious disease expert before ending home isolation. Dr. Keith Roach, oregonlive, 28 Sep. 2021 Have moderate or severe primary immunodeficiency, such as DiGeorge syndrome or Wiskott-Aldrich syndrome. Kristen Jordan Shamus, Detroit Free Press, 24 Sep. 2021 Have moderate or severe primary immunodeficiency, such as DiGeorge syndrome or Wiskott-Aldrich syndrome. Kristen Jordan Shamus, Detroit Free Press, 19 Sep. 2021 That guidance was limited to those who have received organ or stem cell transplants, people with cancer, those with untreated HIV, primary immunodeficiency and patients on drugs that suppress immune response. al, 4 Sep. 2021 For people with primary immunodeficiency or advanced HIV, their immune systems may simply be unable to respond to the vaccine. Ryan Kost, San Francisco Chronicle, 20 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'immunodeficiency.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of immunodeficiency

1969, in the meaning defined above

History and Etymology for immunodeficiency

immuno- + deficiency

Keep scrolling for more

Learn More About immunodeficiency

Time Traveler for immunodeficiency

Time Traveler

The first known use of immunodeficiency was in 1969

See more words from the same year

Dictionary Entries Near immunodeficiency

immunocytochemistry

immunodeficiency

immunodiagnostic

See More Nearby Entries 

Statistics for immunodeficiency

Last Updated

28 Oct 2021

Cite this Entry

“Immunodeficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immunodeficiency. Accessed 28 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for immunodeficiency

immunodeficiency

noun

English Language Learners Definition of immunodeficiency

: a condition in which your body cannot produce enough of the substances or cells that it would normally produce to fight infection

immunodeficiency

noun
im·​mu·​no·​de·​fi·​cien·​cy | \ -di-ˈfish-ən-sē How to pronounce immunodeficiency (audio) \
plural immunodeficiencies

Medical Definition of immunodeficiency

: inability to produce a normal complement of antibodies or immunologically sensitized T cells especially in response to specific antigens — see aids

Other Words from immunodeficiency

immunodeficient \ -​ənt How to pronounce immunodeficiency (audio) \ adjective

More from Merriam-Webster on immunodeficiency

Nglish: Translation of immunodeficiency for Spanish Speakers

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!