gram_method
1. [ noun ] (color,histology) a staining technique used to classify bacteria; those that retain the gentian violet are gram-positive and those that do not retain it are gram-negative
Synonyms: Gram's_procedure gram's_stain gram_stain Gram's_method
Related terms: staining
Similar spelling:   Grimmett
  gram_atom
  grammatolatry
  grammatic