Mordant is a chemical used to help set dyes in fabric such as wool, cottom, or slik. It is also used for making stains stronger on cell or tissue tests for plants or animals when viewing them with a microscope. It can also be used for etching in metal srufaces.
Mordant meanings are sarcastic, gentle, harsh etc. If we search meaning for Mordant from chemistry, it is a chemical related to dye and the fibres of different texture. In the modern age of world, Mordant refers particularly dichromates and chromium complexes for dye. Mordant - chrome dye usually usued for wool.
In general, a mordant is a substance used to help the dye process on fabrics or tissue sections by forming a complex with the dye which then attaches better or more permanently to the fabric. Mordant is also the name of a chemical used to etch away the parts of a plate not protected by another material (the ground).