n. (Chem.) A high explosive consisting principally of picric acid, used as a shell explosive in the British service; -- so named from the proving grounds at
n. One of a number of riotous persons in England, who for six years (1811-17) tried to prevent the use of labor-saving machinery by breaking it, burning factories, etc.; -- so called from
n. One of a number of riotous persons in England, who for six years (1811-17) tried to prevent the use of labor-saving machinery by breaking it, burning factories, etc.; -- so called from