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n. pl. com·e·dos or com·e·do·nes (-dō′nēz)
The primary lesion of acne vulgaris, consisting of a hair follicle that is occluded with sebum and keratin; a blackhead or whitehead.

[Latin comedō, glutton (from a comparison of the wormlike shape of the waxy material that can be squeezed from a blackhead to a worm believed to feed on the body), from comedere, to eat up : com-, intensive pref.; see com- + edere, to eat; see ed- in Indo-European roots.]


n, pl comedos or comedones (ˌkɒmɪˈdəʊniːz)
(Pathology) pathol the technical name for blackhead
[C19: from New Latin, from Latin: glutton, from comedere to eat up, from com- (intensive) + edere to eat]



1. a small, black-tipped fatty mass in a skin follicle, esp. of the face; comedo.
2. any of several birds having a black head.
3. an intestinal and liver disease of turkeys, chickens, and related birds, caused by the protozoan Histomonas meleagridas, often darkening the skin of the head.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.comedo - a black-tipped plug clogging a pore of the skincomedo - a black-tipped plug clogging a pore of the skin
blemish, mar, defect - a mark or flaw that spoils the appearance of something (especially on a person's body); "a facial blemish"
cutis, skin, tegument - a natural protective body covering and site of the sense of touch; "your skin is the largest organ of your body"


n (pl comedones) comedón m, espinilla (fam)
References in periodicals archive ?
com)-- Krasr's Comedo Suction Microdemabrasion Machine received overwhelming commendations and positive reviews, several months after initial product release.
Comedo extraction is an essential part of a comprehensive acne treatment program, but hold off until after a month of retinoid treatment.
Histologically, DCIS is classified by its architectural pattern, the tumor grade and the presence or absence of comedo necrosis.
A minimalist routine built on Cetaphil cleanser and Pond's cream may keep someone glowing for days, but for others, that's a formula for a comedo party.
Acne, Open Comedo (2009)--Agulhas de acupuntura, ouro, gemas preciosas martelo, moldura, MDF Cystic Acne (2009)--Agulhas de acupuntura, prata banhada a ouro, gemas preciosas.
Nevus comedonicus, also known as comedo nevus or follicular nevus, is a rare subtype of epidermal nevus, first described in 1895 by Kofmann [1].
Comedo Extraction: It may temporarily help those with comedones that do not improve with standard treatment.
O comedo do Regime Democratico na Nova Granada: a nofao e seus dilemas (1790-1830)
5%) of other types (papilloma, Paget's disease, metastatic carcinoma breast, focal invasion comedo type, and ductal papilloma with mucinous carcinoma).
This is in contrast with the findings in our two cases, and classical FEP cases exhibiting focal cystic changes, in which there was no evidence of comedo necrosis among basaloid tumor cells.