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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More Definitions for gram-negative
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