say it: i-myoo-noh-dif-ISH-uhn-see
immunodeficiency is a noun meaning "immunological disorder in which some part of the body's immune system is inadequate and resistance to infectious diseases is reduced". It carries one recorded sense.
immunological disorder in which some part of the body's immune system is inadequate and resistance to infectious diseases is reduced
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for immunodeficiency come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.