| GRA | (of bacteria) being or relating to a bacterium that does not retain the violet stain used in Gram's method |
|---|---|
| GRA | (of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method |
| GRA | pasture grass of plains of South America and western North America |
| GRA | pasture grass of plains of South America and western North America |
| GRA | an antibiotic produced by a soil bacterium |
| GRA | the grasses: chiefly herbaceous but some woody plants including cereals |
| GRA | cosmopolitan herbaceous or woody plants with hollow jointed stems and narrow long-bladed leaves |
| GRA | grasses |
| GRA | the grasses: chiefly herbaceous but some woody plants including cereals |
| GRA | cosmopolitan herbaceous or woody plants with hollow jointed stems and narrow long-bladed leaves |
| GRA | pasture grass of plains of South America and western North America |
| GRA | pasture grass of plains of South America and western North America |