单词 | asteroid |
释义 | asteroidadj.n. A. adj. 1. Star-shaped, star-like. ΘΚΠ the world > space > shape > angularity > specific angular shape > [adjective] > star-shaped starlike1578 star fashion1597 starry1597 star-shaped1646 asteristic1652 stellaceous1657 stellate1661 stellated1661 stellar1670 astral1672 stelliform1794 stellular1796 asteroid1854 1854 W. S. Dallas Nat. Hist. Animal Kingdom (1856) 52 The asteroid polypes are all compound animals. 1880 A. R. Wallace Island Life xiv. 296 The woody Asteroid forms. 2. Zoology. Of, belonging to, or characteristic of the Asteroidea. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > of, belonging to, or characteristic of Asteroidea astroid1829 asteroid1888 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 5 The Asteroid larva closely resembles the Holothurioid. 1900 F. A. Bather et al. Echinoderma 3 No sharp line can be drawn between Asteroid and Ophiuroid structure. B. n. 1. Name given to the numerous minute planetary bodies revolving round the sun between the orbits of Mars and Jupiter; called also planetoids and minor planets. ΘΚΠ the world > the universe > planet > primary planet > minor planet or asteroid > [noun] asteroid1802 cometoid1803 planetoid1803 minor planet1823 dwarf planet1839 worldlet1841 1802 W. Herschel in Philos. Trans. (Royal Soc.) 92 228 From this, their asteroidical appearance, if I may use that expression..I shall take my name, and call them Asteroids. 1875 R. A. Proctor Expanse of Heaven 114 Not a year passes without the recognition of two or three and sometimes ten or twelve..asteroids. ΘΚΠ the world > the universe > constellation > comet or meteor > meteor > [noun] drakec1275 dragon1398 falling stara1475 starn-shot1513 dancing-goats1563 firedrake1563 meteor1594 shooting star1597 goat1614 shooter1633 shot star1633 phasm1656 snow-fire1771 meteorite1823 asteroid1830 cometoid1861 exhalation1871 1830 ‘P. Parley’ Sun, Moon & Stars (1837) lvii. 296 By the term ‘November Asteroïds’ it is the shooting or falling stars that are spoken of. 1849 M. Somerville On Connexion Physical Sci. (ed. 8) xxxvii. 447 They [the meteorites] are asteroids revolving about the sun. 3. Hence applied to a kind of fire-work. ΘΚΠ the world > matter > light > firework > [noun] > types of fire sword1482 firedrake1608 fiend1634 fire club1634 fire lance1634 fire-target1634 saucisson1634 fire-trunk1639 runner1647 fire pole1708 fire fountain1729 fire-flyer1740 line-rocket1740 devil1742 fire tree1749 Grecian fire1774 jet1774 fire pan1799 metamorphose1818 Saxon1839 lightning paper1866 asteroid1875 brilliant1875 pearl1884 1875 Times 4 Nov. 1/6 (advt.) Rockets with pearl stars..Asteroids changing colours while sailing through the air. 4. Zoology. A starfish of the class Asteroidea. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Asteroidea > member of (starfish) starfish1538 sea-pad1558 sea-star1569 star1569 pad1613 finger fish1709 sea-sun1731 stelleridan1835 stelliridean1837 asteroid1841 sand-star1841 spoon-worm1841 sun star1841 sun starfish1850 Stellerid1882 stelleroid1900 1841 E. Forbes Hist. Brit. Starfishes 3 The Crinoids as analogues of the Polypes are lower than the Asteroids. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 563 The apical system of plates is well defined in the young Asteroid. 1900 F. A. Bather et al. Echinoderma 14 The Asteroids were probably the last group to branch off from the fixed Echinoderms. 1921 Chambers's Jrnl. 11 502/1 The mauve of these beautiful asteroids blends perfectly with the soft gray sands of the North Pacific. Draft additions March 2021 asteroid belt n. the region of space encircling the sun between the orbits of Mars and Jupiter, in which the majority of the solar system's asteroids have their orbits; (also chiefly Science Fiction) any region of space in which large numbers of asteroids are found.Also used in figurative contexts: see quot. 2017. ΚΠ 1867 J. Ennis Origin of Stars xxxiii. 292 In view of the dimensions of the rings which formed the planets.., we cannot suppose that a single ring occupied all the space within the asteroid belt. 1939 A. Asimov in Amazing Stories Mar. 68/1 We should have avoided the asteroid belt by plotting a course outside the plane of the ecliptic. 1990 J. Pournelle & S. M. Stirling in L. Niven et al. Man-Kzin Wars III (1992) ii. 61 The kzinti had had the gravity polarizer from the beginnings of their time in space, and so had never colonized their asteroid belt. 2003 Columbus (Georgia) Ledger-Enquirer (Nexis) 6 Mar. a11 [The Pioneer satellite] became the first..object to get through the asteroid belt between Mars and Jupiter. 2017 A. S. Greer Less (2018) 95 Less feels his mind drifting away like a spaceman from an airlock, off into the asteroid belt of his own concerns. asteroid field n. chiefly Science Fiction a region of space containing a large number of asteroids; cf. asteroid belt n. ΚΠ 1942 R. F. Jones in Astounding Sci. Fiction Feb. 75/2 The crazy kid, instead of curving up over the asteroid field, he's smashing through the thick of them at nearly four gees. 1980 L. Brackett & L. Kasdan Empire strikes Back (transcribed from film) [C-3PO] ‘Sir, the possibility of successfully navigating an asteroid field is approximately three thousand, seven hundred and twenty to one’. [Han Solo] ‘Never tell me the odds!’. 1996 Austin (Texas) Amer.-Statesman (Nexis) 13 Oct. b1 Shown on his computer is an image of an asteroid field, a group of mountain-sized rocks that reside by the millions in a 100-million-mile-wide belt between Mars and Jupiter. 2004 D. Ward & K. Dilmore Start Trek: Time to Harvest (e-book ed.) xii Medicines were soon developed that allowed our people to live in the asteroid field for extended periods. asteroid zone n. the region of space encircling the sun between the orbits of Mars and Jupiter, in which the majority of the solar system's asteroids have their orbits; cf. asteroid belt n.In quot. 1866 with reference to an early theory of solar system formation (now discredited), which hypothesized that the main asteroid belt is made up of fragments of a planet which once occupied this region. ΚΠ 1866 Amer. Ann. Cycl. 1865 95/1 Humbolt had called attention to some remarkable differences between the planets lying without and those within the ‘asteroid planet’, or asteroid zone. 1922 H. S. Jones Gen. Astron. x. 245 The asteroid zone extends from Mars to Jupiter. 2007 ABC Transcripts (Austral.) (Nexis) 28 Sept. [NASA] launched a spacecraft on a five billion kilometre journey to the asteroid zone between Mars and Jupiter. This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2021). < adj.n.1802 |
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