counterstain

[ noun koun-ter-steyn; verb koun-ter-steyn ]

/ noun ˈkaʊn tərˌsteɪn; verb ˌkaʊn tərˈsteɪn /

Histology

noun

a second stain of a different color applied to a microscopic specimen and used to color and contrast those parts not retaining the first stain.

verb (used with object)

to treat (a microscopic specimen) with a counterstain.

verb (used without object)

to become counterstained; take a counterstain.

Origin of counterstain

First recorded in 1890–95; counter- + stain

Words nearby counterstain

countershock, countersign, countersignature, countersink, counterspy, counterstain, counterstamp, counterstatement, counterstroke, countersubject, countersue

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for counterstain

Counterstain very lightly with aqueous solution of Neutral Red.
The Elements of Bacteriological Technique|John William Henry Eyre
Counterstain in methylene blue, aqueous solution thirty seconds.
The Elements of Bacteriological Technique|John William Henry Eyre
Counterstain 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 examinedhaematoxylin is counterstained with eosin

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Other words from counterstain

count′er•stain′ v.

单词	counterstain
释义	counterstain [ noun koun-ter-steyn; verb koun-ter-steyn ] / noun ˈkaʊn tərˌsteɪn; verb ˌkaʊn tərˈsteɪn / Histology noun a second stain of a different color applied to a microscopic specimen and used to color and contrast those parts not retaining the first stain. verb (used with object) to treat (a microscopic specimen) with a counterstain. verb (used without object) to become counterstained; take a counterstain. Origin of counterstain First recorded in 1890–95; counter- + stain Words nearby counterstain countershock, countersign, countersignature, countersink, counterspy, counterstain, counterstamp, counterstatement, counterstroke, countersubject, countersue Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for counterstain Counterstain very lightly with aqueous solution of Neutral Red. The Elements of Bacteriological Technique\|John William Henry Eyre Counterstain in methylene blue, aqueous solution thirty seconds. The Elements of Bacteriological Technique\|John William Henry Eyre Counterstain 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 examinedhaematoxylin is counterstained with eosin Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 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. Other words from counterstain count′er•stain′ v. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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