[ si-bey-shuh s ]
/ sɪˈbeɪ ʃəs /

adjective Physiology.

pertaining to, of the nature of, or resembling tallow or fat; fatty; greasy.
secreting a fatty substance.

Nearby words

  1. seawater,
  2. seaway,
  3. seaweed,
  4. seaweed marquetry,
  5. seaworthy,
  6. sebaceous adenoma,
  7. sebaceous cyst,
  8. sebaceous epithelioma,
  9. sebaceous gland,
  10. sebaceous glands

Origin of sebaceous

From the New Latin word sēbāceus, dating back to 1720–30. See sebum, -aceous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sebaceous

British Dictionary definitions for sebaceous


/ (sɪˈbeɪʃəs) /


of or resembling sebum, fat, or tallow; fatty
secreting fat or a greasy lubricating substance

Word Origin for sebaceous

C18: from Late Latin sēbāceus, from sebum

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

Word Origin and History for sebaceous



1728, "secreting sebum," from Latin sebaceus "of tallow," from sebum "tallow, grease" (see sebum). Meaning "oily, greasy, fatty" is from 1783.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for sebaceous


[ sĭ-bāshəs ]


Of, resembling, or characterized by fat or sebum; fatty.
Secreting or producing fat or sebum.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.