Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

Noun- Congenital or acquired baldness.

Usage examples (3)
  • The "hairless" gene causes the permanent hair loss disease "generalized atrichia".
  • Ten years ago researchers found that mutations in the HR gene are responsible for congenital atrichia, where hair is shed completely during the first year of life and...
  • Dr Zhang, whose findings are published online in Nature Genetics, has now shown a sequence immediately adjacent to HR encodes the chemical, and that mutations affecting its... for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.