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Definition(s) of “G”

g

abbreviation

• Chemistry gas.

• gelding.

• gram(s).

• Physics denoting quantum states or wave functions that do not change sign on inversion through the origin. The opposite of u . [ORIGIN: from German gerade ‘even.’ ]

symbol Physics

the acceleration due to gravity, equal to 9.81 m s −2.

gram 1 |gram| ( Brit. also gramme) (abbr.: g)

noun

a metric unit of mass equal to one thousandth of a kilogram.

ORIGIN late 18th cent.: from French gramme, from late Latin gramma ‘a small weight,’ from Greek.

gram 2

noun

chickpeas or other legumes used as food.

ORIGIN early 18th cent.: from Portuguese grão, from Latin granum ‘grain.’

gram 3

noun

short for grandma .

G 1 |jē| (also g)

noun ( pl. Gs or G's )

1 the seventh letter of the alphabet.

• denoting the next after F in a set of items, categories, etc.

• ( g) Chess denoting the seventh file from the left, as viewed from White's side of the board.

2 Music the fifth note in the diatonic scale of C major.

• a key based on a scale with G as its keynote.

G 2

abbreviation

• Physics gauss.

• German.

• [in combination ] (in units of measurement) giga- (10 9).

• good.

• informal grand (a thousand dollars).

• a unit of gravitational force equal to that exerted by the earth's gravitational field.

symbol

• Chemistry Gibbs free energy.

• general audiences, a rating in the Voluntary Movie Rating System that all ages may be admitted.

• Physics the gravitational constant, equal to 6.67 × 10 −11 N m 2 kg −2.

• Physics conductance.

gauss |gous| (abbr.: G)

noun ( pl. same or gausses)

a unit of magnetic induction, equal to one ten-thousandth of a tesla.

ORIGIN late 19th cent.: named after K. Gauss .

Gibbs free energy

noun Chemistry

a thermodynamic quantity equal to the enthalpy (of a system or process) minus the product of the entropy and the absolute temperature. (Symbol: G)

ORIGIN named after J. W. Gibbs (see Gibbs ).

gravitational constant (abbr.: G)

noun Physics

the constant in Newton's law of gravitation relating gravity to the masses and separation of particles, equal to 6.67 × 10 −11 N m 2 kg −2.