stains

n a soiled or discolored appearance n (microscopy) a dye or other coloring material that is used in microscopy to make structures visible n the state of being covered with unclean things n a symbol of disgrace or infamy n an act that brings discredit to the person who does it v color with a liquid dye or tint v produce or leave stains v make dirty or spotty, as by exposure to air; also used metaphorically v color for microscopic study