释义 |
ˈriver-sand [f. river n.1 and sand n. Cf. Du. rivierzand.] Sand procured from the bed of a river or stream.
1563T. Hill Art Gard. (1593) 19 If you set any young Trees in that grounde, let that there-about bee mixed with a quantitie of sweete Earthe and Riuer sand. 1703Moxon's Mech. Exerc. 242 Also to River or Sea-Sand, if you put a third part of Powder of Tiles.., it works the better. 1726Leoni Alberti's Archit. I. 35 There are three sorts of Sand, Pit-sand, River-sand, and Sea-sand. 1834–6Encycl. Metrop. (1845) VIII. 475/2 The manufactories are restricted to the use of the commonest kind of sea or river sand. 1870tr. Baron von Richthofen's Lett. (1874) 4 River-sand, of which probably millions of tons are yearly carried over these places. |