counterstain
[ noun koun-ter-steyn; verb koun-ter-steyn ]
/ noun ˈkaʊn tərˌsteɪn; verb ˌkaʊn tərˈsteɪn /
noun
verb (used with object)
to treat (a microscopic specimen) with a counterstain.
verb (used without object)
to become counterstained; take a counterstain.
Words nearby counterstain
countershock,
countersign,
countersignature,
countersink,
counterspy,
counterstain,
counterstamp,
counterstatement,
counterstroke,
countersubject,
countersue
Example sentences from the Web for counterstain
Counterstain very lightly with aqueous solution of Neutral Red.
The Elements of Bacteriological Technique |John William Henry EyreCounterstain in methylene blue, aqueous solution thirty seconds.
The Elements of Bacteriological Technique |John William Henry EyreCounterstain with Kuehne's carbolic methylene-blue for one or two minutes.
The Elements of Bacteriological Technique |John William Henry Eyre
British Dictionary definitions for counterstain
counterstain
/ (ˈkaʊntəˌsteɪn) /
verb microscopy
to apply two or more stains in sequence to (a specimen to be examined), each of which colours a different tissue
(tr; usually passive)
to apply (one of a series of stains) to a specimen to be examined
haematoxylin is counterstained with eosin
Medical definitions for counterstain
counterstain
[ koun′tər-stān′ ]
n.
A stain of a contrasting color used to color the components in a microscopic specimen that are not made visible by the principal stain.