| 释义 |
emergence|ɪˈmɜːdʒəns|
[ad. late L. ēmergentia, f. ēmergĕre to emerge.]
1. The rising (of a submerged body) out of the water.
1833Lyell Princ. Geol. III. 113 The waves..continue their denuding action during the emergence of these islands. 1860Tyndall Glac. ii. 400 A well-wetted oar..on its first emergence from the water. 1875J. Croll Climate & T. xxiii. 368 The..emergence of the land during the glacial epoch.
2. a. The process of coming forth, issuing from concealment, obscurity, or confinement. lit. and fig. (Cf. emerge v. 3, 4.) Also said of the result of an evolutionary process: cf. emerge v. 4 a and emergent B. 3.
1755Brooke Univ. Beauty i. 10 From the deep thy [Venus'] bright emergence sprung. 1779Johnson Milton, L.P. 96 Physiological learning is of..rare emergence. 1817Coleridge Biog. Lit. (1817) 39 The emergence of an original poetic genius above the literary horizon. 1835–6Todd Cycl. Anat. I. 68/1 The infant is prepared for a more independent existence by the emergence of teeth. 1853Kane Grinnell Exp. xviii. (1856) 140 Its [a glacier's] emergence from the valley. 1873Symonds Grk. Poets i. 1 The emergence from primitive barbarism of the great races. 1884Sat. Rev. 22 Nov. 657/2 That emergence of the adversary's point at the back might trouble a Neapolitan fencer. 1911Geddes & Thomson Evolution 102 It is undeniably difficult to discover the factors in his emergence and ascent. 1913G. E. Smith in Rep. Brit. Assoc. 1912 577 The gradual emergence of human traits from the uncouth simian features of our ancestors. 1915Scientia XVIII. 255 The emergence of anything new in the world... If intrinsic structure and external conditions are..strictly similar, nothing new emerges. But if with like intrinsic structure the conditions are different, or vice versa, something new may emerge. And if genuinely emergent (as contrasted with resultant in accordance with G. H. Lewes's distinction) it may be unpredictable. 1920S. Alexander Space, Time, & Deity II. iii. ii. 45 The emergence of a new quality from any level of existence means that at that level there comes into being a certain constellation or collocation of the motions belonging to that level, and possessing the quality appropriate to it, and this collocation possesses a new quality distinctive of the higher complex.
b. Astron. and Optics. (Cf. emerge v. 3 b.)
1704Newton Optics (J.) Refracted light, at its very first emergence. 1833Sir J. Herschel Astron. ix. 294 The satellite's emergence. 1863Tyndall Heat iv. 108 As a thermic agent, the beam..is far more powerful than..after its emergence. 1881Ld. Rayleigh in Nature XXV. 64 Giving the light a more..grazing emergence.
3. An unforeseen occurrence; a state of things unexpectedly arising, and demanding immediate attention.
Now replaced by emergency, which Ash in 1775 notes as ‘less usual’.
1649Bp. Guthrie Mem. (1702) 72 The Castle of Dunglass was blown up with Powder..This tragical Emergence, etc. 1788Priestley Lect. Hist. v. lii. 406 To raise the nominal value of money may serve a particular emergence. 1823Scott Peveril vi, The best I can think of in this emergence is, etc. 1849Mrs. Carlyle Lett. II. 69 Nothing came out on the present emergence to alter our opinion.
¶ Pressing need, urgent want: ‘a sense not proper’ (J.).
1781Cowper Charity 188 Not he but his emergence forced the door. 1846Thackeray Cornhill to Cairo ix. 106 They call in their emergence upon countless saints and virgins.
4. Bot. A term applied by Sachs to those outgrowths on leaves or stems which arise from the sub-epidermic tissue and not merely from the epidermis.
1882tr. Sachs's Text-bk. Botany (ed. 2) 161. |