noun
- 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 method, Gram's procedure, Gram's stain
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). gram stain. Retrieved September 22, 2026, from http://smartdefine.org/gram_stain/definitions/1282873 |
| Chicago | WordNet. 2010. "gram stain" http://smartdefine.org/gram_stain/definitions/1282873 (accessed September 22, 2026). |
| Harvard | WordNet 2010, gram stain, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/gram_stain/definitions/1282873>. |
| MLA | WordNet. "gram stain" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/gram_stain/definitions/1282873> |