Gram's method
name
name ·Rare ·Advanced level
Definitions
Noun
- 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 wordnet
Proper Noun
- 1 A staining technique, using a sequence of crystal violet, iodine and safranine, used to differentiate bacteria into two large groups of species.
Etymology
After Hans Christian Gram, Danish bacteriologist.