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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - Disorder in which some part of the body's system is inadequate and resistance to infectious diseases is reduced.

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Usage examples (39)
  • The manufacturers 'datasheet, such as immunodeficiency, leukaemias, and a history of hypersensitivity to the components of the vaccine.
  • The disease AIDS - the acquired immunodeficiency syndrome
  • Around 39.4 million people have the human immunodeficiency virus
  • The immunodeficiency syndrome is popularly known among Zambians as
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.