gram-positive
- s (of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method
grammatic
- a of or pertaining to grammar
the grammatic structure of a sentence
grammatical rules
grammatical gender
grammatical
- a of or pertaining to grammar
grammatical rules
grammatical gender - a conforming to the rules of grammar or usage accepted by native speakers
spoke in grammatical sentences