black gram

Origin

black gram

noun
See under gram2.
Dictionary.com Unabridged

gram

2[gram]
noun
1.
(in the East Indies) the chickpea used as a food for people and cattle.
2.
any of several other beans, as the mung bean, Vigna radiata (green gram or golden gram), or the urd, V. mungo (black gram).

Origin:
1695–1705; < Portuguese grão < Latin grānum grain
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Etymonline
Word Origin & History

gram
1797, from Fr. gramme, from L.L. gramma "small weight," from Gk. gramma "small weight," originally "letter of the alphabet," from stem of graphein "to draw, write." Adopted into Eng. about two years before it was established in Fr. as a unit in the metric system by law of 19 frimaire, year VIII (1799).
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Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

Gram (grām, gräm), Hans Christian Joachim. 1853-1938.

Danish physician who developed (1884) Gram's stain as a method of distinguishing types of bacteria.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Gram   (gräm, grām)  Pronunciation Key 
Danish bacteriologist who in 1884 developed a method of staining bacteria, called Gram's stain or Gram's dye, that is used to identify and classify bacteria, often from samples of infected body fluids. The classification, called gram-negative or gram-positive, can be useful in the initial selection of antibiotics to treat the infection.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

gram definition


The basic unit of measurement for mass in the metric system; one cubic centimeter of water has a mass of approximately one gram.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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