Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: eosere
Next word: eosinophile
Definition of: eosin
(ē′ə·sin) noun Chem.
1. A reddish coloring matter, C20H8Br4O5, derived from coal tar: used for dyeing, for making red ink and pink lakes, and as a stain in microscopical work.
2. Any of several analogous dyes derived from coal tar. Also e′o·sine (-sin, -sēn). [<Gk. eos dawn + -IN]
—e′o·sin′ic adjective
Comment about this word, ask questions, or add new information about this topic: