concentrator
(ˈkɒnsəntreɪtə(r))
[Agent-n. f. concentrate v.]
One who or that which concentrates.
1. An apparatus for concentrating solutions or other products of manufacture.
| 1853 Pharmac. Jrnl. XIII. 115 This the patentee calls a concentrator. 1884 Health Exhib. Catal. 60/1 Apparatus for manufacturing..Manchester concentrated manure, comprising Concentrator, Condenser, Exhauster, and Agitator. |
2. Fire-arms. A ring of hard paper or wire fitted inside the cartridge-case, serving to keep the shot together for some distance after discharge. Also a device for narrowing the muzzle with this object.
| 1875 ‘Stonehenge’ Brit. Sports i. i. xi. 54 Prepared to supply the concentrators in any numbers. |
3. An apparatus by which mechanical concentration of ores is performed.
| 1873 J. S. Phillips Metallurgist's Comp. ed. 2 468 The most exacting and perfect concentrators yet devised. |