tophaceous, a.
(təʊˈfeɪʃəs)
[ad. L. tōf-, tōphāce-us, f. tophus: see -aceous.]
1. Of the nature of tophus or toph; sandy, gritty; rough, stony.
| 1672 Phil. Trans. VII. 4064 It is scabrous or rough, sand⁓like, although the substance is Tophaceous. 1692 Ray Disc. ii. iv. (1732) 128 The Tophaceous Hills and Cliffs about Andria in Apulia. 1749 Phil. Trans. XLVI. 221 The Waters of these hot Springs..are so replete with tophaceous Matter, that where ever they run, Masses of Tophus are formed. 1777 Lightfoot Flora Scot. II. 535 Chara. Incrusted with a kind of tophaceous coat, which is like sand between the teeth. 1819 H. Busk Vestriad iv. 698 Sapphire brooks on beds tophaceous play. |
2. Path. Gritty or calcareous, as the matter deposited in gout.
| 1687 Phil. Trans. XVI. 553 The Generation of the Tophaceous Matter in the nodose Gout. 1728 Ibid. XXXV. 493 That tophaceous gouty Substance commonly found about the Joints. 1879 St. George's Hosp. Rep. IX. 643 Gouty, or so-called tophaceous, deposits. |