com·​e·​do | \ ˈkä-mə-ˌdō How to pronounce comedo (audio) \
plural comedones\ ˌkä-​mə-​ˈdō-​(ˌ)nēz How to pronounce comedo (audio) \

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 friction of the mask can also block and clog pores, leading to the formation of comedones or blackheads, says Dr. Suozzi. Leah Groth,, 15 May 2020 There are two different types of comedones: Open (blackheads) and closed (whiteheads). Renee Jacques, Allure, 25 Apr. 2020 Really, only when your pores have developed comedones—blackheads or whiteheads. Sarah Jacoby, SELF, 23 July 2019 So why are some people more prone to closed comedones than others? Sara Coughlin, SELF, 1 Aug. 2019 There are two different types of comedones: Open (blackheads) and closed (whiteheads). Allure, 3 May 2019 So, in an attempt to figure out if that was true, scientists developed ways to measure how many comedones a particular ingredient or formulation was likely to cause. A.a. Newton, SELF, 8 Aug. 2019 The trouble with comedones begin when dead skill cells get trapped inside the opening, and then slowly clogs up the hole. Sarah Kinonen, Allure, 5 Oct. 2017 See More

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

Learn More About comedo

Dictionary Entries Near comedo



come down

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Statistics for comedo

Cite this Entry

“Comedo.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2022.

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More Definitions for comedo


com·​e·​do | \ ˈkäm-ə-ˌdō How to pronounce comedo (audio) \
plural comedones\ ˌkäm-​ə-​ˈdō-​(ˌ)nēz How to pronounce comedo (audio) \

Medical Definition of comedo


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