|—n combining form|
|indicating a drawing or something written or recorded: hexagram; telegram|
|[from Latin -gramma, from Greek, from gramma letter and grammē line]|
Abbr. g, gm., gr.
A metric unit of mass equal to 15.432 grains, one thousandth (10-3) of a kilogram, or 0.035 ounce.
Gram (grām, gräm), Hans Christian Joachim. 1853-1938.
Danish physician who developed (1884) Gram's stain as a method of distinguishing types of bacteria.
Something written or drawn; a record: cardiogram.
|Gram (gräm, grām) Pronunciation Key
Danish bacteriologist who in 1884 developed a method of staining bacteria, called Gram's stain or Gram's dye, that is used to identify and classify bacteria, often from samples of infected body fluids. The classification, called gram-negative or gram-positive, can be useful in the initial selection of antibiotics to treat the infection.