▪ I. concentrating, vbl. n.
[f. concentrate v. + -ing1.]
The action of the verb concentrate. Also attrib.
| 1823 J. Badcock Dom. Amusem. 19 The idea..of concentrating the acid whose presence in wood he had so detected. 1872 Raymond Statist. Mines & Mining 47 A new concentrating machine. Ibid. Sand which has gone through several concentrating processes. 1886 Laughton in Dict. Nat. Biog. VI. 387/1 Concentrating marks were made on the decks, and at Broke's own cost sights were fitted to the guns. |
▪ II. concentrating, ppl. a.
[f. as prec. + -ing2.]
That concentrates.
| 1847 Mrs. A. Kerr Hist. Servia iii. 39 The concentrating power of the Priesthood. |