Medical Dictionary
gram–positive
adj gram–pos·i·tive \ˈgram-ˈpäz-ət-iv, -ˈpäz-tiv\
Medical Definition of GRAM-POSITIVE
: holding the purple dye when stained by Gram's stain—used chiefly of bacteria
Seen & Heard
What made you want to look up gram-positive? Please tell us where you read or heard it (including the quote, if possible).