(informal) very good; "a bully pulpit"; "a cool sports car"; "had a great time at the party"; "you look simply smashing"
a sudden sharp noise; "the crack of a whip"; "he heard the cracking of the ice"
making a loud sharp sound as of a rifle shot or a breaking branch or a whip; "lion tamers with their cracking whips"
the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)
the act of cracking something
a sudden sharp noise; "the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig"
very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing"
