com·​e·​do | \ˈkä-mə-ˌdō \
plural comedones\ˌkä-​mə-​ˈdō-​(ˌ)nēz \

Definition of comedo 

: a small bump or blemish on the skin (as of the face or back) usually containing a plug of sebum in a skin pore: such as

a or open comedo : blackhead sense 1

b or closed comedo : whitehead

Examples of comedo in a Sentence

Recent Examples on the Web

The trouble with comedones begin when dead skill cells get trapped inside the opening, and then slowly clogs up the hole. Sarah Kinonen, Allure, "Dr. Pimple Popper Extracts Cyst From Dilated Pore in Latest Video (Exclusive)," 5 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'comedo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of comedo

1730, in the meaning defined above

History and Etymology for comedo

New Latin, from Latin, glutton, from comedere to eat — more at comestible

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Time Traveler for comedo

The first known use of comedo was in 1730

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More Definitions for comedo


com·​e·​do | \ˈkäm-ə-ˌdō \
plural comedones\ˌkäm-​ə-​ˈdō-​(ˌ)nēz \

Medical Definition of comedo 

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Rhyming Dictionary: Words that rhyme with comedo

Comments on comedo

What made you want to look up comedo? Please tell us where you read or heard it (including the quote, if possible).


a soft lustrous wool fabric with mohair

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