| 释义 |
petrescent, a. ? Obs.|pɪˈtrɛsənt|
[f. L. petra rock, stone + -escent.]
Properly, Becoming converted into stone or petrified; but usually, Having the quality of petrifying, petrifactive. (In quot. 1757, Tending to form ‘stone’ or calculus.)
1663Boyle Usef. Exp. Nat. Philos. ii. ii. 32 A Liquor abounding with petrescent parts may..turn Wood (as I have observ'd in a petrifying Spring) into a kind of Stone. 1676Hodgson in Phil. Trans. XI. 766 Concerning petrescent Springs. 1757Phil. Trans. L. 216 The petrescent quality of his urine was..destroyed. 1763Brit. Mag. IV. 216 He thought it possible to make oysters and mussels breed pearls by feeding them with a proper petrescent water. 1819H. Busk Banquet ii. 456* Round the lapideous tuft,..petrescent tendrils curl.
So peˈtrescence, peˈtrescency, the process of petrifaction; formation of calculus.
1662J. Chandler Van Helmont's Oriat. 246 That which I have said..of the Disease of the Stone, concerning the stony seed, and so of petrescency or the manner of making in stones. 1663Boyle Usef. Exp. Nat. Philos. ii. ii. 35 None of the enumerated ways of Petrescency..deserves to be look'd upon as satisfactory. 1799Kirwan Geol. Ess. 140 It proves..that petrifactions are carried on in appropriate circumstances in modern times, and the successive process of petrescence. |