From WordNet (r) 3.0 (2006):
g n 1: a metric unit of weight equal to one thousandth of a kilogram [syn: gram, gramme, gm, g] 2: a purine base found in DNA and RNA; pairs with cytosine [syn: guanine, G] 3: one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) [syn: deoxyguanosine monophosphate, G] 4: the cardinal number that is the product of 10 and 100 [syn: thousand, one thousand, 1000, M, K, chiliad, G, grand, thou, yard] 5: a unit of force equal to the force exerted by gravity; used to indicate the force to which a body is subjected when it is accelerated [syn: g, gee, g-force] 6: a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes [syn: gigabyte, G, GB] 7: a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes [syn: gigabyte, gibibyte, G, GB, GiB] 8: (physics) the universal constant relating force to mass and distance in Newton's law of gravitation [syn: gravitational constant, universal gravitational constant, constant of gravitation, G] 9: the 7th letter of the Roman alphabet [syn: G, g]