Gram's method

[ gramz ]

/ græmz /

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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.

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Compare Gram-negative, Gram-positive.

Origin of Gram's method

Named after Hans C. J. Gram (1853–1938), Danish bacteriologist

Words nearby Gram's method

Gram-positive, gramps, grampus, Gram-Schmidt orthogonalization, Gramsci, Gram's method, Gram's solution, Gram's stain, Gram-variable, gran, grana

How to use Gram's method in a sentence

“A guy drives up in a 2008 Mercedes, brand new,” Harry S. Connelly Jr. says in the video, according to the Times.
Are Police Stealing People’s Property?|Joan Blades, Matt Kibbe|January 2, 2015|DAILY BEAST
“Personal hotspots can get speeds of up to 60 Mb/s down, whereas hotel Wi-Fi can be as slow as 1.5 Mb/s,” Sesar said.
How ‘Ethical’ Hotel Chain Marriott Gouges Guests in the Name of Wi-Fi Security|Kyle Chayka|December 31, 2014|DAILY BEAST
In our headlong quest for a legally perfect society, we don’t take the time to take stock of what‘s been created so far.
Red Tape Is Strangling Good Samaritans|Philip K. Howard|December 27, 2014|DAILY BEAST
“The thing [North Korean government] want[s] the most is the non-release of this film,” Schiff said.
Obama Could Hit China to Punish North Korea|Shane Harris, Tim Mak|December 20, 2014|DAILY BEAST

America could have its own version of the Aarhus method in Minnesota.
What the U.S. Can Learn from Europe About Dealing with Terrorists|Scott Beauchamp|December 15, 2014|DAILY BEAST
To reproduce the impulse born of the thought—this is the aim of a psychological method.
Expressive Voice Culture|Jessie Eldridge Southwick
Roman Pane who accompanied Columbus on his second voyage alludes to another method of using the herb.
Tobacco; Its History, Varieties, Culture, Manufacture and Commerce|E. R. Billings.
Their method of curing the leaves was to air-dry them and then packing them until wanted for use.
Tobacco; Its History, Varieties, Culture, Manufacture and Commerce|E. R. Billings.
Recognition of the pneumococcus depends upon its morphology, the fact that it is Gram-staining, and the presence of a capsule.
A Manual of Clinical Diagnosis|James Campbell Todd
Smith's method usually gives good results, as does also the more simple method of Hiss (p. 263).
A Manual of Clinical Diagnosis|James Campbell Todd

British Dictionary definitions for Gram's method

Gram's method

noun

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 agentSee also Gram-negative, Gram-positive

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