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Abbreviation of gallon
A woman •The female equivalent of guy: She's a good gal, don't you think?/ a tough old gal (1795+)
Generic Array Logic.
unit of acceleration, named in honour of the Italian physicist and astronomer Galileo Galilei (1564-1642) and used especially in measurements of gravity. One gal equals a change in rate of motion of one centimetre (0.3937 inch) per second per second.