acid-fast


acid–fast

adj \ˈas-əd-ˌfast\

Definition of ACID-FAST

: not easily decolorized by acids (as when stained)—used especially of bacteria and tissues

Seen & Heard

What made you want to look up acid-fast? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More