verb coun·ter·stain \-ˌstān\

Definition of COUNTERSTAIN

transitive verb
:  to stain (as a microscopy specimen) so as to color parts (as the cytoplasm of cells) not colored by another stain (as a nuclear stain)
counterstain noun

First Known Use of COUNTERSTAIN



Next Word in the Dictionary: counterstamp (transitive verb)Previous Word in the Dictionary: counterspyAll Words Near: counterstain
July 04, 2015
stringent Hear it
rigorous, strict, or severe
Take a 3-minute break and test your skills!
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