blackhead

blackhead definition - medical

black·head (blăkˈhĕdˌ)

noun
A plug of keratin and sebum within a hair follicle that is blackened at the surface. Also called open comedo.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.