Stain - Definition

n 1: a soiled or discolored appearance; "the wine left a dark
stain" [syn: stain, discoloration, discolouration]
2: (microscopy) a dye or other coloring material that is used in
microscopy to make structures visible
3: the state of being covered with unclean things [syn: dirt,
filth, grime, soil, stain, grease, grunge]
4: a symbol of disgrace or infamy; "And the Lord set a mark upon
Cain"--Genesis [syn: mark, stigma, brand, stain]
5: an act that brings discredit to the person who does it; "he
made a huge blot on his copybook" [syn: blot, smear,
smirch, spot, stain]
v 1: color with a liquid dye or tint; "Stain this table a
beautiful walnut color"; "people knew how to stain glass a
beautiful blue in the middle ages"
2: produce or leave stains; "Red wine stains the table cloth"
3: make dirty or spotty, as by exposure to air; also used
metaphorically; "The silver was tarnished by the long
exposure to the air"; "Her reputation was sullied after the
affair with a married man" [syn: tarnish, stain,
maculate, sully, defile]
4: color for microscopic study; "The laboratory worker dyed the
specimen"