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comedo

 - 5 dictionary results

com⋅e⋅do

[kom-i-doh]
–noun, plural com⋅e⋅dos, com⋅e⋅do⋅nes [kom-i-doh-neez] . Medicine/Medical.
a thickened secretion plugging a duct of the skin, esp. of a sebaceous gland; blackhead.

Origin:
1865–70; < NL; L: glutton, equiv. to comed(ere) to consume, eat up (com- com- + edere to eat ) + agent suffix
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To comedo
black·head   (blāk'hěd')   
n.  
  1. Medicine A plug of keratin and sebum within a hair follicle that is blackened at the surface. Also called comedo.

  2. An infectious disease of turkeys and some wildfowl that is caused by a protozoan (Histomonas meleagridis) and results in lesions of the intestine and liver. Also called enterohepatitis, histomoniasis, infectious enterohepatitis.

  3. Any of various birds, such as the scaup, with dark head markings.

com·e·do   (kŏm'ĭ-dō')   
n.   pl. com·e·dos or com·e·do·nes (-dō'nēz)
See blackhead.

[Latin comedō, glutton (from a comparison of the worm-like 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.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: com·e·do
Pronunciation: 'käm-&-"dO
Function: noun
Inflected Form: plural com·e·do·nes /"käm-&-'dO-(")nEz/
: BLACKHEAD 1
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

comedo com·e·do (kŏm'ĭ-dō')
n. pl. com·e·dos or com·e·do·nes (-dō'nēz)
A blackhead and the primary lesion of acne vulgaris.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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