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Adjective: Gram-negative  'gram'ne-gu-tiv
  1. (of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method
    "Other gram-negative rods can be very small"

See also: disconfirming, negative

Encyclopedia: Gram-negative

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grammatical gender
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grammatical relation
grammatical rule
grammatical subject
grammatically
grammatolatry
Grammatophyllum
gramme
Grammy
Gram-negative
gramophone
gramophone record
Gram-positive
gramps
grampus
Grampus griseus
Gram's method
Gram's procedure
Gram's solution
Gram's stain