gram-negative


gram–neg·a·tive

adjective \ˈgram-ˈne-gə-tiv\

Definition of GRAM-NEGATIVE

:  not holding the purple dye when stained by Gram's stain —used chiefly of bacteria

First Known Use of GRAM-NEGATIVE

1907

gram–neg·a·tive

adjective \ˈgram-ˈneg-ət-iv\   (Medical Dictionary)

Medical Definition of GRAM–NEGATIVE

: not holding the purple dye when stained by Gram's stain—used chiefly of bacteria

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