Definition of GRAM-NEGATIVE (Meaning of GRAM-NEGATIVE), a 13 Letter Word

Pronunciation:		gram 'negutiv


WordNet Dictionary

	Definition:	[adj] (of bacteria) being or relating to a bacterium that does not retain the violet stain used in Gram's method

GRAM-NEGATIVE is a 13 letter word that starts with G.
	Antonyms:	gram-positive


Biology Dictionary

	Definition:	To describe a prokaryotic cell whose cell wall stains pink (negative) in Gram stain. The cell wall of a gram-negative bacterium contains relatively little peptidoglycan but contains an outer membrane composed of lipopolysaccharide (LPS), lipoprotein, and other complex macromolecules.