acid dye

noun

Medical Definition of acid dye

: any of a large class of dyes that contain acidic groups usually in the form of sodium or potassium salts, that are soluble in water, and that are used especially in aqueous or alcoholic solution for staining cytoplasm and various acidophilic structures of cells and tissues

Comments on acid dye

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

WORD OF THE DAY

not constant or steady

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!