• synonyms


[si-bey-shuh s]
adjective Physiology.
  1. pertaining to, of the nature of, or resembling tallow or fat; fatty; greasy.
  2. secreting a fatty substance.
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Origin of sebaceous

From the New Latin word sēbāceus, dating back to 1720–30. See sebum, -aceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sebaceous

Historical Examples

  • From furuncle, abscess, and sebaceous, fatty and fibroid tumors.

    Essentials of Diseases of the Skin

    Henry Weightman Stelwagon

  • This is merely the solidified secretion from the sebaceous gland.

  • They take the sebaceous or unctuous secretion from the coat.

    The Dog

    Dinks, Mayhew, and Hutchinson

  • Sebaceous cysts or wens are described with diseases of the skin.

    Manual of Surgery

    Alexis Thomson and Alexander Miles

  • In the sebaceous glands the first secretion is formed by a fatty modification of the whole of the central cells of the gland.

British Dictionary definitions for sebaceous


  1. of or resembling sebum, fat, or tallow; fatty
  2. secreting fat or a greasy lubricating substance
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Word Origin

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.

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Online Etymology Dictionary, © 2010 Douglas Harper

sebaceous in Medicine


  1. Of, resembling, or characterized by fat or sebum; fatty.
  2. Secreting or producing fat or sebum.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.