grainy
- s composed of or covered with particles resembling meal in texture or consistency
the photographs were grainy and indistinct
gram-negative
- s (of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method
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