Definition that contains gram's method
- gram's solution a solution used in staining bacteria by Gram's method; consists of one part iodine and two parts potassium iodide and 300 parts water
- gram-negative (of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method
- gram-positive (of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method