g /ˈʤi/
 字母g


 G
 1. G is the seventh letter of the English alphabet, and a vocal consonant. It has two sounds; one simple, as in gave, go, gull; the other compound (like that of j), as in gem, gin, dingy. See Guide to Pronunciation, §§ 231-6, 155, 176, 178, 179, 196, 211, 246.
 Note: The form of G is from the Latin, in the alphabet which it first appeared as a modified form of C. The name is also from the Latin, and probably comes to us through the French. Etymologically it is most closely related to a c hard, k y, and w; as in corn, grain, kernel; kin L. genus, Gr. ░; E. garden, yard; drag, draw; also to ch and h; as in get, prehensile; guest, host (an army); gall, choler; gust, choose. See C.
 2. Mus. G is the name of the fifth tone of the natural or model scale; -- called also sol by the Italians and French. It was also originally used as the treble clef, and has gradually changed into the character represented in the margin. See Clef. G♯ (G sharp) is a tone intermediate between G and A.

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 g
      n 1: a metric unit of weight equal to one thousandth of a
           kilogram [syn: gram, gramme, gm]
      2: a purine base found in DNA and RNA; pairs with cytosine
         [syn: guanine]
      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]
      4: the cardinal number that is the product of 10 and 100 [syn:
         thousand, one thousand, 1000, M, K, chiliad, 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: gee, g-force]
      6: a unit of information equal to one billion (1,073,741,824)
         bytes or 1024 megabytes [syn: gigabyte, GB]
      7: (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]
      8: the 7th letter of the Roman alphabet