Main Entry: Gram's stain

Pronunciation: \ˈgramz-\

Variant(s): or Gram stain \ˈgram-\

Function: noun

Etymology: Hans C. J. Gram †1938 Danish physician

Date: 1903

1 : a method for the differential staining of bacteria by treatment with a watery solution of iodine and the iodide of potassium after staining with a triphenylmethane dye (as crystal violet) —called also Gram's method
2 : the chemicals used in Gram's stain