comedo
noun
com·e·do ˈkä-mə-ˌdō 
plural comedones ˌkä-mə-ˈdō-(ˌ)nēz
: 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
Example Sentences
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, Health.com, 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
Leah Groth, Health.com, 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 Word History
Etymology
New Latin, from Latin, glutton, from comedere to eat — more at comestible
First Known Use
1730, in the meaning defined above
Phrases Containing comedo
Medical Definition
comedo
noun
com·e·do ˈkäm-ə-ˌdō
plural comedones ˌkäm-ə-ˈdō-(ˌ)nēz
: blackhead sense 1
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