gal
1. gal \'gal\ n [by alter.] : GIRL 2. gal n [Galileo -1642 It astronomer] : a unit of acceleration equivalent to one centimeter per second per secon d - used esp. for values of gravity
1. gal \'gal\ n [by alter.] : GIRL 2. gal n [Galileo -1642 It astronomer] : a unit of acceleration equivalent to one centimeter per second per secon d - used esp. for values of gravity