Gram's procedure

Definitions of Gram's procedure

1. noun

   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
   synonyms: Gram method, Gram stain, Gram's method, Gram's stain

   type of:

   staining

   (histology) the use of a dye to color specimens for microscopic study