Dictionary

gram–negative

adjective gram–neg·a·tive \ˈgram-ˈne-gə-tiv\

Definition of GRAM-NEGATIVE

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

First Known Use of GRAM-NEGATIVE

1907
Medical Dictionary

gram–negative

adjective gram–neg·a·tive \ˈgram-ˈneg-ət-iv\

Medical Definition of GRAM–NEGATIVE

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

Browse

Next Word in the Dictionary: gramophilePrevious Word in the Dictionary: GrammyAll Words Near: gram-negative
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears