| 释义 |
preˈcipitated, ppl. a.
[f. precipitate v. + -ed1.]
In senses answering to those of the verb.
1. Hastened, hurried. Now usually precipitate a.
1633T. Adams Exp. 2 Peter ii. 16 Therefore was the teacher..a stupid beast to teach him that was too precipitated. 1678Trans. Crt. Spain 51 At the too precipitated death of that Gentleman of Arragon. 1688Lond. Gaz. No. 2377/2 The Enemies precipitated Retreat to Sendrovia. 1749Richardson Clarissa IV. xlviii. 286 She set even my heart into a palpitation,..like a precipitated pendulum in a clock case. 1845Napier Conq. Scinde ii. vii. 428 The precipitated movements of the Ameer.
2. Chem. and Physics. Deposited from solution, from a state of vapour, or from a state of suspension in a gas.
1663Boyle Usef. Exp. Nat. Philos. ii. v. viii. 200 Calces of corroded and precipitated things. 1707Mortimer Husb. (1721) II. 329 You must draw it off from its precipitated Lees. 1871Tyndall Fragm. Sc. (1879) I. iv. 114 The cloud formed.., when the precipitated particles are sufficiently fine, is blue. 1899Allbutt's Syst. Med. VIII. 726 A drachm of precipitated sulphur administered in milk. 1938Trans. Inst. Chem. Engineers XVI. 38/1 The precipitated dust falls into hoppers below each section of the plant. 1971M. Robinson in W. Strauss Air Pollution Control I. 267 The decline of [migration velocity] we at..higher gas velocities is usually accounted for by reentrainment of precipitated dust.
Hence preˈcipitatedly adv., precipitately, hurriedly; = next, sense 2.
1770C. Jenner Placid Man I. ii. v. 101 [He] would have confirmed the suspicion..by leaving the room as precipitatedly as he had entered it. |