mordant

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mordant

 [mor´dant]
1. a substance capable of intensifying or deepening the reaction of a specimen to a stain.
2. to subject to the action of a mordant before staining.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mor·dant

(mōr'dant),
1. A substance capable of combining with a dye and the material to be dyed, thereby increasing the affinity or binding of the dye; for example, alum, a mordant commonly used to promote staining with hematoxylin.
2. To treat with a mordant.
[L. mordeo, to bite]
Farlex Partner Medical Dictionary © Farlex 2012

mordant

adjective Referring to an astringent chemical; caustic, corrosive.

noun A chemical used to set stains in tissue.

Mordants
Sodium chloride, tannic acid, alum, urine, chrome alum; Bouin’s solution can also be used as a mordant.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

mor·dant

(mōr'dănt)
1. A substance capable of combining with a dye and the material to be dyed, thereby increasing the affinity or binding of the dye.
2. To treat with a mordant.
[L. mordeo, to bite]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The use of potassium dichromate is not recommended for the dyeing of cotton with alkanet as it has not only affected the shade of the dyed sample but its pre- mordanting has severely damaged the fabric in terms of its tensile strength.
Light fastness properties of dyeing depend on the mordant and the mordanting method that are used.
(7) In 1620 in Holland, however, Cornelius Drebbel developed a process of metal mordanting to make another natural dye--cochineal, a red stain derived from insects--colorfast.