What is the meaning of gram's stain?

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.
  • 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.
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APAWordNet. (2010). gram's stain. Retrieved September 23, 2026, from http://smartdefine.org/gram%27s_stain/definitions/1282869
ChicagoWordNet. 2010. "gram's stain" http://smartdefine.org/gram%27s_stain/definitions/1282869 (accessed September 23, 2026).
HarvardWordNet 2010, gram's stain, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/gram%27s_stain/definitions/1282869>.
MLAWordNet. "gram's stain" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/gram%27s_stain/definitions/1282869>