| 释义 |
impulsion|ɪmˈpʌlʃən|
Also 5–6 ym-.
[a. F. impulsion (c 1315 in Godefroy Compl.), ad. L. impulsiōn-em influence, instigation, f. impuls-, ppl. stem of impellĕre to impel; cf. impulse n.]
1. The action of impelling or forcing onward; also of striking upon, thrusting, pushing, or pressing against without producing motion; the condition of being thrust or pushed.
1432–50tr. Higden (Rolls) IV. 199 The body of Tholomeus borne vn to the londe by the impulsion of the see. 1483Caxton Gold. Leg. 245/2 The deken fyll wyth the chalyce by thympulsion and threstyng of the paynems. 1581W. Stafford Exam. Compl. iii. (1876) 78 Thus one thyng hanges vpon another, and sets forwarde one another, but one first of all is the chiefe cause of all this circuler motion and impulsion. 1655Stanley Hist. Philos. ii. (1701) 73/2 The Wind that comes next presseth the first, forcing..it by frequent impulsions. 1774Goldsm. Nat. Hist. (1776) I. 4 That of attraction, which draws them towards the sun; and..impulsion, which drives them strait forward into the great void of space. 1794Sullivan View Nat. I. 54 The centrifugal force, or force of impulsion, is still unknown. 1835–6Todd Cycl. Anat. I. 621/2 The impulsion of the water takes place on the surface of the tentacula. 1863Tyndall Heat vii. (1870) 209 The needle of the galvanometer is instantly deflected, and the limit of the first impulsion is noted.
transf. or fig.1610R. Niccols Wint. Nts. Vis., R. Curthose in Mirr. Mag. 652 To see How griefes impulsions in my brest did beate. a1626Bacon Max. & Uses Com. Law i. 1 To judge the causes of causes, and their impulsions one of another. 1844Mrs. Browning Lady Geraldine's Courtship lviii, A vibration and impulsion to an end beyond its own.
†b. An impelling cause or occasion. Obs.
1605Bacon Adv. Learn. ii. x. §3. 41 Medicine..considereth causes of Diseases, with the occasions or impulsions.
†c. Attack, assault. Obs.
1631Weever Anc. Fun. Mon. 146 The citie of Ierusalem being recouered against the impulsions of the Infidels.
2. a. External influence exerted upon mind or conduct; instigation, incitement.
1560J. Daus tr. Sleidane's Comm. 13 If the Frenche kynge conquere..it maye be that the Byshoppe of Rome throughe his impulsion will vndo oure Election. 1628Hobbes Thucyd. (1822) 6 Atreus and Thyestes..at the impulsion of their mother slew this Chrysippus. 1676Marvell Gen. Councils Wks. 1875 IV. 127 'Tis meant that it was free from all external impulsion. 1829I. Taylor Enthus. vii. 168 The few who might have done the same without impulsion. 1859Holland Gold F. xv. 171, I do not believe any man ever became thoroughly industrious, save under the impulsion of motives outside of labor.
b. Determination to action resulting from natural tendency or temporary excitement; impulse.
c1530L. Cox Rhet. (1899) 77 Natural impulsion is angre, hatred, couetyse, loue, or suche other affections. 1586Bright Melanch. xii. 60 The other not only derection but impulsion also from an inward vertue. 1672Eachard Hobbs's State Nat. (1705) 108 This he did by a certain impulsion of nature. 1793Object. to the War Examined 44 It can only be upon the like impulsion from which a drowning man catches at a twig. 1875Lowell Under old Elm 4 With sure impulsion to keep honor clear.
3. Tendency to onward motion imparted by some force or influence; impetus.
1795Craufurd in Ld. Auckland's Corr. (1862) III. 290 Whether the impulsion be given by the people to their representatives, or..by the representatives to the people [etc.]. 1836–7Sir W. Hamilton Metaph. xli. (1870) II. 417 The impulsion which Kant had given to philosophy. 1881Manch. Exam. 3 Mar. 4 A great impulsion has of late years been given to steam navigation in the Levant. |
