Definition of “mononucleosis” - English Dictionary

british dictionary

“mononucleosis” in British English

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mononucleosisnoun [ U ]

uk /ˌmɒn.əʊˌnjuː.kliˈəʊ.sɪs/ us /ˌmɑː.noʊˌnuː.kliˈoʊ.sɪs/ mainly US informal mono, UK usually glandular fever

an infectious disease that has an effect on particular glands and makes you feel weak and sick for a long time

(Definition of “mononucleosis” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“mononucleosis” in American English

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mononucleosisnoun [ U ]

us /ˌmɑn·əˌnu·kliˈoʊ·sɪs/ short form mono

a disease that causes a sudden fever, swelling of organs that produce white blood cells, and a sore throat, and which can make a person feel weak and ill for a long time

(Definition of “mononucleosis” from the Cambridge Academic Content Dictionary © Cambridge University Press)