noun (sometimes lowercase)
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.
Origin of Gram's method
named after Hans C. J. Gram (1853–1938), Danish bacteriologist
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Word Origin for Gram's method
C19: named after Hans Christian Joachim Gram (1853–1938), Danish physician
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