[ kom-i-doh ]
/ ˈkɒm ɪˌdoʊ /
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noun, plural com·e·dos, com·e·do·nes [kom-i-doh-neez]. /ˌkɒm ɪˈdoʊ niz/. Medicine/Medical.
a thickened secretion plugging a duct of the skin, especially of a sebaceous gland; blackhead.
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Origin of comedo

1865–70; <New Latin; Latin: glutton, equivalent to comed(ere) to consume, eat up (com-com- + edere to eat) + agent suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use comedo in a sentence

  • Interspersed may generally be seen blackheads, or comedones.

    Essentials of Diseases of the Skin|Henry Weightman Stelwagon
  • The physical condition presented nothing of note, except for a certain sluggishness of the skin with marked comedones.

    Benign Stupors|August Hoch

British Dictionary definitions for comedo

/ (ˈkɒmɪˌdəʊ) /

noun plural comedos or comedones (ˌkɒmɪˈdəʊniːz)
pathol the technical name for blackhead

Word Origin for comedo

C19: from New Latin, from Latin: glutton, from comedere to eat up, from com- (intensive) + edere to eat
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 comedo

[ kŏmĭ-dō′ ]

n. pl. com•e•dos
A blackhead and the primary lesion of acne vulgaris.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.