Definition of sebum in English:


Syllabification: se·bum
Pronunciation: /ˈsēbəm


  • An oily secretion of the sebaceous glands.
    More example sentences
    • Testosterone causes excessive sebum to be secreted from the skin's sebaceous glands.
    • The glands remain immature until puberty, and it is the secretion of sebum that is associated with pubertal acne.
    • The oily sebum rises up through the hair follicle, providing lubrication for your skin and hair.


late 19th century: modern Latin, from Latin sebum 'grease'.

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