Definitions for "Gram's stain"
a method for differential staining of bacteria; Gram-positive cells stain purple-black and Gram-negative cells stain pink; useful in bacterial taxonomy and identification Gravid green crab with egg mass on the abdomen. (Photo: Gary Weber)
A method of staining devised by Dr. Christian Gram that is used to differentiate between various types of bacteria.
a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are gram-positive and those that do not retain it are gram-negative