Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n (pl comedones) comedón m, espinilla (fam)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Since 2010 BETA is part of the Comedo Ercole Group and shares the same innovative spirit, dedication, technology and safety procedures.
A blackhead -- also known as an 'open comedo' -- occurs when there is no layer of skin over the pore, and gunk inside becomes trapped, oxidized and turns black.
In addition, BRCA1 -associated tumors were also found to have a higher mitotic index, geographic or comedo necrosis, and an increased number of tumor-infiltrating lymphocytes compared with non-BRCA-associated tumors.
Also, significant correlations were observed between the percent change from baseline in total lesion counts (r2=0.44; p<0.001) and comedo counts (r2=0.50; p<0.001) and the log10 change from baseline in total P.
The key to diagnosis is the recognition of a double-ended comedo that drains malodorous material (18).
RP @deniseadote via @walterpaparazzoo Me deparei c essa cena na BR 230 no sentido p cabedelo esse jovem tentando tirar um cachorro q estava se tremendo de medo e acuado no canto da mureta comedo dos carros ento parei e peguei o bixinho como tivesse pegando meu Zezinho e consegui c a graa de Deus !!
acnes preceded inflammation in the progression of the acne comedo. However, recent evidence suggests that subclinical inflammatory events may actually precede hyperkeratinization." (1) "In addition to the above four pathogenic factors, it is believed that oxidative stress likely plays a key role in the development of acne.
Toronto, Canada, March 09, 2018 --( Krasr's Comedo Suction Microdemabrasion Machine received overwhelming commendations and positive reviews, several months after initial product release.
In 2012, right breast mammography showed BIRADS 5 and right breast biopsy demonstrated an invasive ductal carcinoma (modified Bloom Richardson in two upper inner quadrants and diffuse intraductal carcinoma (comedo, cribriform, micropapillary) and tumor was positive in two lymph nodes.
Multiplication Factors to Each Six Different Locations Location Factor Forehead 2 Right cheek 2 Left cheek 2 Nose 1 Chin 1 Chest and upper back 3 GAGS: 0: No lesions; 1: [greater than or equal to]1 Comedo; 2: [greater than or equal to]1 Papule; 3: [greater than or equal to]1 Pustule; 4: [greater than or equal to]1 Nodule.
Histologically, DCIS is classified by its architectural pattern, the tumor grade and the presence or absence of comedo necrosis.