单词 | adventive |
释义 | adventiveadj.n. A. adj. 1. That comes from outside or from some external source; extrinsically added; extraneous; foreign. Cf. adventitious adj. 1. ΘΚΠ the world > existence and causation > existence > extrinsicality or externality > [adjective] > non-essential accidental1387 casual1398 incident1523 accidentary?1549 accessarya1555 chanceablea1557 accessory1563 circumstant1583 advenient1594 adventive1605 adventitial1607 circumstantial1608 contingent1628 adventious1633 incidental1644 accessional1646 contingential1647 non-essential1647 extra-essential1667 attachable1798 dividuous1816 inessential1832 peripheral1902 1605 F. Bacon Of Aduancem. Learning ii. sig. Mm1 The considerations of the Originall of the soule, whether it be Natiue or adventiue . View more context for this quotation 1626 F. Bacon Sylua Syluarum §836 If the Proportion of the Aduentiue Heat, be greatly Predominant, to the Naturall Heat, and Spirits of the Body, it tendeth to Dissolution. 1796 A. Macaulay Rudim. Polit. Sci. vi. §5. 233 The political community must leave every citizen, whether native or adventive, at liberty to migrate from its territory. 1844 Family of Seisers I. 106/2 Depending on adventive and voluntary charity for any sensible augmentation to the slim treasury of their small society. 1911 W. H. Ward in C. H. Toy et al. Ess. Mod. Theol. xi. 131 If the Syrian Astarte really represents the moon..it may be because she was..an adventive deity, brought over from the conquering Hittites. 1999 J. Kirwan Beauty v. 64 For Heidegger the soul is native..; for Ficino it is adventive. 2. Ecology. Originally: (of a plant) occurring in a region in which it is not native, but imperfectly naturalized, e.g. restricted to cultivated land, areas around human habitation, etc. In later use also: (of a plant or animal) occurring in but not native to the region in which it appears. Cf. alien adj. 1b(b). ΘΚΠ the world > plants > by habitat or distribution > [adjective] > relating to non-native flora non-native1855 adventive1856 pioneer1875 colonizing1880 introduced1884 alien1903 1856 A. Gray Man. Bot. Northern U.S. (ed. 2) p. viii I have classified our introduced plants..into two sorts, the thoroughly naturalized, and the adventive..; the second, those which are only locally spontaneous and perhaps precarious. 1869 Canad. Naturalist Dec. 378 Adventive plants form a numerous class, embracing most of those weeds which confine themselves to the vicinity of dwellings and barns, and to cultivated grounds. 1936 Nature 11 Apr. 600/2 A survey of the weed flora of the northern part of the United States shows that a large proportion of the adventive weeds are from Europe. 1991 A. M. Emmet Sci. Names Brit. Lepidoptera 152 An adventive species recorded only once in Britain. 2000 Land & Water Sept. 39/3 Drawdown may provide an opportunity for the spread of highly weedy or adventive species. 3. Botany. Designating an embryo which develops asexually from a somatic cell of the ovule (e.g. the nucellus) as a result of a form of apomixis which occurs in certain plants; (also) relating to such a developmental process. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [adjective] > of parts > relating to embryo or radicle > of growth or development of isodynamous1835 adventive1879 heteroblastic1888 1879 Amer. Jrnl. Sci. 117 335 It appears that Cœlobogyne is..a case..in which an adventive embryo is habitually produced, instead of the normal embryo which fails from the want of fecundation. 1900 Jrnl. Royal Hort. Soc. 24 133 That with fewer and smaller leaves resembling true [Citrus] trifoliate (in this case the mother parent) is doubtless from an adventive embryo. 1955 Amer. Jrnl. Bot. 42 741/1 The origin of embryos directly from nucellar cells as in Citrus (adventive embryony) is not known in tripsacum. 2007 R. Finkeldey & H. H. Hattener Trop. Forest Genetics iv. 52 In most cases, the sexual embryo dies during seed development since adventive embryos grow faster. B. n. ΘΚΠ society > inhabiting and dwelling > inhabitant > migrant > [noun] > immigrant comelinga1325 incomer1526 income1555 comer1581 adventivea1626 transplanteea1687 immigrantc1787 importation1787 migrant1795 immigrator1836 importee1858 metic1904 wog1966 a1626 F. Bacon Let. to Dk. of Buckingham in Scrinia Ceciliana (1663) 62 The Natives be not so many, but that there may be elbow-room enough for them, and for the Adventives also. 1820 A. Simpson (title) Exposition of elementary principles specially concerned in the preservation of healthiness and production of distempers amongst mariners, travellers and adventives in tropical, variable, and unkindly climates. 2. Ecology. An adventive plant or animal. ΘΚΠ the world > plants > by habitat or distribution > [noun] > non-native or migrant stranger1578 exotic1682 alien1847 colonizer1856 migrant1874 immigrant1880 adventive1883 pioneer1911 neophyte1916 wool alien1919 casual1926 1883 Bull. Buffalo Naturalists’ Field Club 1 23 (title) Adventives at East Buffalo. 1917 Jrnl. New York Bot. Garden 18 143 The Wall Rocket..is found in this country on the Eastern Coast, and in California, everywhere as an adventive. 1942 Trans. Amer. Entomol. Soc. 68 262 Widespread in tropical North America, it is probable that this terrestrial red-brown cockroach is an adventive in Texas. 2001 R. H. Mohlenbrock Flowering Plants 88 City Goosefoot..widely scattered as an adventive in the United States, particularly around metropolitan areas. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < |
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