contrast stain
n.
A dye used to color a portion of a tissue or cell that remained uncolored when the other part was stained by a dye of different color.
Words nearby contrast stain
contrasexual,
contrast,
contrast bath,
contrast enema,
contrast medium,
contrast stain,
contrastive,
contrastive stress,
contrasty,
contrasuggestible,
contrate