STAIN, noun. A discoloured spot or area. STAIN, noun. A blemish on one's character or reputation. STAIN, noun. A substance used to soak into a surface and colour it. STAIN, noun. A reagent or dye used to stain microscope specimens so as to make some structures visible. STAIN, verb. To discolour something STAIN, verb. To taint or tarnish someone's character or reputation STAIN, verb. To coat a surface with a stain ______ Individuals rpsAll Rights Reserved