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Noun
Galileo
Galileo Galilei
Definition: Italian astronomer and mathematician who was the first to use a telescope to study the stars; demonstrated that different weights descend at the same rate; perfected the refracting telescope that enabled him to make many discoveries (1564-1642)
Definition: The CGS unit of acceleration, equal to 1 centimetre per second per second (1 centimeter per second squared, 1cm/s^2). Symbol: Gal