We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


vt \ˈstān\

Medical Definition of STAIN

:  to cause discoloration of <smoking stains teeth>
:  to color by processes affecting chemically or otherwise the material itself <stain bacteria with a fluorescent dye>
intransitive verb
:  to receive a stain
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears