Definitions from Wiktionary ( )

▸ noun:  (British) Initialism of George Rex. (on coins, letterboxes, etc.) The royal cypher for George V and his son George VI, kings of Great Britain
▸ noun:  (automotive, marketing, motor racing) Initialism of Gazoo Racing.: A performance brand, automotive label, and, racing division, of Toyota.
▸ noun:  (biochemistry) Initialism of glucocorticoid receptor. [(biochemistry) A protein found in multiple forms within cells, which binds glucocorticoids and subsequently influences gene transcription.]
▸ noun:  (physics) Initialism of general relativity. [(relativity) A theory extending special relativity and uniformly accounting for gravity and accelerated frames of reference, postulating that space-time curves in the presence of mass.]
▸ noun:  (sports) Initialism of games record.
▸ noun:  Abbreviation of grain, a unit of mass. [(uncountable) The harvested seeds of various grass food crops eg: wheat, corn, barley.]
▸ noun:  (rare) Abbreviation of gram; the standard symbol for gram since the International System of Units was introduced in 1960 is g. [A unit of mass equal to one-thousandth of a kilogram. Symbol: g.]




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