The AI-powered English dictionary
countable and uncountable, plural sebums or seba
(physiology) A thick oily substance, secreted by the sebaceous glands of the skin, that consists of fat, keratin and cellular debris. quotations
‘I mean, it is not simply adolescent acne caused by the over-excretion of sebum.’
2000, Zadie Smith, White Teeth, London: Hamish Hamilton, page 387