| 释义 |
ˈtin-stream
Usually in pl. See quot. 1891, and cf. stream tin s.v. tin n. 1 b.
1855J. R. Leifchild Cornwall Mines 200 There is no regularity in these tin-streams, as they are of different breadths, though seldom less than a fathom. 1891Labour Commission Gloss., A tin streams (not stream) deals either with alluvial deposits or with the refuse of the mines..and separates what is valuable..by washing processes.
So ˈtin-ˌstreamer, one who obtains tin from a deposit of sand or gravel by washing; ˈtin-ˌstreaming, the washing of tin from such a deposit.
1839H. T. De la Beche Rep. Geol. Cornw. etc. xiii. 405 Whole ground, as the tin-streamers term the stanniferous gravel and superincumbent beds which have not been previously disturbed by the old men. Ibid. xv. 545 Tin-streaming seems to have been conducted in Pryce's time much as it is at present. 1881H. H. Drake in Athenæum 1 Oct. 432/3 Tin-streaming was a wealthy and influential industry, that enriched landlords, tenants, and ‘bounders’, who..set Acts at defiance. 1899Baring-Gould Bk. of West II. 83 This rubble has been turned over and over by tin-streamers. |