gram's method
English Thesaurus
1. 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 (noun.act)
hypernym | : | staining, |
definition | : | (histology) the use of a dye to color specimens for microscopic study (noun.act) |
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