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'.

Definition of sebum in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day noisome
Pronunciation: ˈnɔɪs(ə)m
having an extremely offensive smell