# gram stain
## Noun (N)
### Sense: 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
- การย้อมสีแกรม
- การย้อมสีแบบแกรม
- การย้อมแกรม