sebum

[ see-buhm ]

noun

, Physiology.

1. the fatty secretion of the sebaceous glands.

sebum

/ ˈsiːbəm /

noun

1. the oily secretion of the sebaceous glands that acts as a lubricant for the hair and skin and provides some protection against bacteria

sebum

/ sē′bəm /

1. The fatty substance secreted by the sebaceous glands of mammals that protects and lubricates the skin and hair.

Word History and Origins

Origin of sebum¹

First recorded in 1700–10, sebum is from the Latin word sēbum tallow, grease

Word History and Origins

Origin of sebum¹

C19: from New Latin, from Latin: tallow

Example Sentences

The differences in scent between young children and teens probably stem from puberty-driven changes in sweat and sebum production, the researchers said.

From New York Times

Our follicles are attached to sebaceous glands, which make oil called sebum to add moisture to the hair.

From National Geographic

It also dissolves sebum, an oily, waxy substance produced by the sebaceous glands near your hair follicles.

From Seattle Times

Because rats have poor eyesight but a keen sense of smell, he said, they follow paths like this, lined with rat feces, urine and sebum, an oily substance secreted from glands in their skin.

From Washington Post

All humans produce carboxylic acid through sebum, a waxy coating, on their skin.

From Washington Post