sebum

[ see-buhm ]
/ ˈsi bəm /

noun Physiology.

the fatty secretion of the sebaceous glands.

QUIZZES

THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST

In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
seclusion

Origin of sebum

First recorded in 1700–10, sebum is from the Latin word sēbum tallow, grease
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for sebum

sebum
/ (ˈsiːbəm) /

noun

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

Word Origin for sebum

C19: from New Latin, from Latin: tallow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for sebum

sebum
[ sēbəm ]

n.

The semifluid secretion of the sebaceous glands, consisting chiefly of fat, keratin, and cellular material.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for sebum

sebum
[ sēbəm ]

The fatty substance secreted by the sebaceous glands of mammals that protects and lubricates the skin and hair.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.