n. One who separates.n. Any implement, machine, or contrivance used for separating one thing from another: as, cream-separators; grain- separators; magnetic separators (for separating valuable ores from the rock or sand by means of powerful magnets); etc.n. n. A device for separating water from steam: usually a vessel, placed in the steam-line, having deflectors so arranged as to throw the water against metallic surfaces to which it will cling.n. An insulating grid or plate of glass, vulcanite or other nonconducting material placed between the plates of a storage cell.n. A piece of metal placed between two adjacent beams to hold them at a fixed distance apart.n. A device on a ring-spinning machine designed to prevent interference between the yarns of adjacent spindles. Also called antiballooner.n. An instrument for separating the membranes from the brain in a postmortem examination.n. An instrument for widening the jaw and effecting separation of the crowded teeth.n. An appliance for obtaining the urine secreted by one kidney unmixed with that from the other kidney.n. A device used in a type-setting machine to permit only one character to pass through at a time.n. In electricity, a device by means of which a single line may be used simultaneously for telephony and telegraphic signaling or for two distinct sets of telegraphic signals.n. A separator, invented by Venstrom, in which the powdered ore is carried by a traveling belt toward a partly magnetized cylinder, which attracts the magnetic ore, carrying it into a chute leading to the ore-bin, while the non-magnetic ore is carried by the belt to the waste chute.