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Gram's method

[ gramz ]

noun

, (sometimes lowercase)
  1. a method of staining and distinguishing bacteria, in which a fixed bacterial smear is stained with crystal violet, treated with Gram's solution, decolorized with alcohol, counterstained with safranine, and washed with water.


Gram's method

noun

  1. bacteriol a staining technique used to classify bacteria, based on their ability to retain or lose a violet colour, produced by crystal violet and iodine, after treatment with a decolorizing agent See also Gram-negative Gram-positive
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of Gram's method1

Named after Hans C. J. Gram (1853–1938), Danish bacteriologist
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Word History and Origins

Origin of Gram's method1

C19: named after Hans Christian Joachim Gram (1853–1938), Danish physician

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