释义 |
invasive, a.|ɪnˈveɪsɪv| [a. F. invasif, -ive (15–16th c. in Godef.), in med.L. invāsīv-us, f. invās-, ppl. stem of invādĕre: see -ive.] 1. Of, pertaining to, or of the nature of, invasion or attack; offensive.
a1520Barclay Jugurth (1557) 21 b, Ingines inuasiue to his enemies and defensiue to his company. 1570–6Lambarde Peramb. Kent (1826) 301 Sallet, Shield, Sword, and so many other partes of defensive and invasive furniture. 1601R. Johnson Kingd. & Commw. (1603) 178 Nothing so much hindereth the invasive ambition of this Prince, as the nature of places. 1788Hist. Eur. in Ann. Reg. 47/1 The first campaign of an invasive war. 1880A. Forbes in 19th Cent. VII. 219 These premisses being set down, what course of invasive action did it behove Lord Chelmsford to pursue? 2. a. Characterized by or addicted to invasion; invading.
1598Drayton Heroic Ep., Mortimer & Isabel (ed. Smethwick) 49 Guyne and Aquitan..Charles by invasive arms again shall take And send the English forces o'er the lake. 1602Warner Alb. Eng. Epit. (1612) 365 As of their..often fights with the inuasiue Danes. 1741Shenstone Judgm. Hercules 13 If none check th' invasive foe's designs. 1858Carlyle Fredk. Gt. ii. i. (1872) I. 50 He..made truce with the Hungarians, who were excessively invasive at that time. 1881Swinburne Mary Stuart iv. i. 135 A deadlier stroke and blast of sound more dire Than noise of fleets invasive. b. transf. and fig.
a1763Shenstone Economy i. 32 Thy fell approach, like some invasive damp, Breath'd thro' the pores of earth from Stygian caves. 1830I. Taylor Unitar. 127 That Christianity is essentially an invasive, espansive doctrine. c. Path. Of, exhibiting, or characterized by invasiveness.
1926H. T. Karsner Human Path. xii. 332 It is probable that nearly all tumors begin originally as a somewhat invasive growth... The invasive character depends very largely upon the multiplication of the cells in the margin of the tumor. 1948R. A. Willis Path. Tumours ix. 148 While proliferation is an important factor in invasive growth, it is certainly not the only or even the most essential one. 1970[see invasiveness]. 1971Brit. Med. Bull. XXVII. 4/2 The attempt is made to relate the number of cases of carcinoma-in-situ entering a population to the number leaving it to become cases of invasive cancer. 3. Tending to intrude upon the domain or to infringe the rights of another; intrusive, encroaching.
1670Cotton Espernon i. iv. 150 They rather chose..to submit themselves to his invasive Government, than to acknowledge, and obey their own lawful, and natural Prince. 1724Swift Drapier's Lett. Wks. 1755 V. ii. 50 In no manner derogatory or invasive of any liberty or privilege of his subjects. 1875Maine Hist. Inst. vi. 163 As a proceeding invasive of tribal rights and calculated to infeeble them. 1881G. Macdonald Mary Marston xlviii, Sepia found her companion distrait and he felt her a little invasive.
▸ Of a plant: tending to spread prolifically or uncontrollably; encroaching upon or replacing other vegetation.
1928R. S. Troup Silvicultural Syst. ii. 13 Various invasive tropical species [of tree] which habitually spring up in quantity on recent clearings. 1951Dict. Gardening (Royal Hort. Soc.) I. 228/2 It [sc. Azolla] is apt to become too invasive if introduced to a pond outside since it increases at a remarkable rate. 1992Canad. Gardening May 45/3 Perennials: chives, mint (often pushy and invasive), oregano, rosemary, thyme, tarragon. 2003Observer 2 Feb. i. 6/6 The Australian swamp stonecrop, or New Zealand pygmyweed, is considered the most pernicious of the top 15 invasive plants.
▸ Med. Designating a diagnostic or therapeutic procedure in which the skin is broken (e.g. with a surgical blade or syringe), or an instrument is introduced into a body cavity. Cf. non-invasive adj. 3.
1972Amer. Jrnl. Cardiol. 29 85 Bleeding..is most often encountered at the scene of invasive procedures (venous cut-downs, needle sticks, arterial punctures, and others). 1991Lancet 9 Mar. 580/1 Pulmonary alveolar proteinosis..a disease characterised by accumulation of surfactant in alveoli, is diagnosed on the basis of invasive biopsy procedures. 2002S. Stacey & J. Fairley 21st Cent. Beauty Bible 116/2 A concealer..much favoured by cosmeto-dermatologists and cosmetic surgeons after invasive procedures such as facelifts.
▸ invasively n. in an invasive manner.
1889Amer. Naturalist 23 970 It is absolutely necessary to determine whether these deutero-micro-organisms are simply *invasively-mechanical in their action, or which of them also cause secondary infection. 1923E. F. Smith Let. 8 Mar. in A. D. Rodgers Erwin Frink Smith (1952) xii. 559, I am in high feather this afternoon because I have discovered a paper by Dr. H. T. Deelman of Amsterdam, in which he says that tar cancer grows by apposition as well as invasively. 2002Borneo Post 18 Nov. 15/3 (caption) The Voxar Colonscreen..is an award-winning ‘virtual colonoscopy’ that detects colorectal cancer less invasively and without the need for sedation. |