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
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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
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