- Gram method as a noun:
- 1
Gram method
noun
1 Gram method
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's method, Gram's procedure, Gram's stain, Gram stain.
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