Definition of “sebum” - English Dictionary

british dictionary

“sebum” in British English

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sebumnoun [ U ]

uk /ˈsiː.bəm/ us /ˈsiː.bəm/ specialized

an oil-like substance produced by the sebaceous glands in the skin that makes hair shiny and prevents skin from becoming dry

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