fusarole, fusarol

[Fr. fusarole, fusarolle; Ital. fusaiuolo, from fusaiolo =a whirl of a spindle, from fuso, Lat. fusus (1) a spindle; (2) the shaft of a column.] Arch.: A molding or ornament placed immediately under the echinus in the Doric, Ionic, and composite capitals; the shaft of a col IMG:content-0253.png:[blocks in formation] chin, bench; go, gem; thin, this; to explode four seconds after impact. (6) The Electric - fuse is one adapted to be ignited by the pa age of an electric spark through it. (7) The Percu ion-fuse embraces a capsule charged with fulminate, which is exploded by a plunger or its equivalent, when the projectile strikes. The plunger is held by a pin sufficiently strong to keep it in place in case of a fall, yet weak enough to be severed by the shock of striking. (8) The Safety -fuse is a cord or ribbon-shaped fuse filled with a fulminating or quick-burning composition, and sufficiently long to be ignited ata safe distance from the chamber where the charge is placed. (9) The Tape - fuse is a safety-fuse, so called from its shape. (10) The Time - fuse is one which is adapted either by cutting off a portion of its length or by the character of its composition to burn a certain definite time.