| 单词 | centre of attraction |
| 释义 | > as lemmascentre of attraction centre of attraction n. (a) Physics the point to which a body tends when subject to attraction, esp. gravitational attraction, exerted by another body; the point about which a body orbits; (b) figurative something which attracts a considerable amount of attention, interest, or curiosity; something which draws people to itself. ΘΚΠ the world > matter > physics > mechanics > force > [noun] > centripetal > point to which bodies tend centre of attraction1654 the world > matter > physics > mechanics > force > gravity > [noun] > point to which bodies tend centre of gravity1624 centre of attraction1654 bias1674 1654 J. Hall Of Govt. & Obed. iv. 455 As the centre of attraction governs thus in all natural motions, so doth the centre of resistance in all violent motions. 1666 Philos. Trans. 1665–6 (Royal Soc.) 1 282 Two Load-stones..will draw it [sc. a needle]..to some point between both [of them]; which point is, as to those two, the common Center of Attraction. 1728 E. Chambers Cycl. at Centre Centre of Gravitation, or Attraction, in Physicks, is that Point to which a revolving Planet, or Comet, is impell'd. 1776 J. O. Justamond tr. G. T. F. Raynal Philos. Hist. Europeans in Indies I. 86 This happy nation must of course have been the center of attraction to all the surrounding people. 1839 D. Olmsted Introd. Astron. ii. iii. 99 A body..revolving in an orbit about a center of attraction is constantly under the influence of two forces. 1880 L. Stephen Alexander Pope iv. 88 Twickenham villa..became of course a centre of attraction for the interviewers of the day. 1958 New Scientist 16 Jan. 21/2 It is often called the escape velocity, since it is the least velocity required at that point for an object to escape for ever from the centre of attraction. 2006 Evening Chron. (Newcastle) (Nexis) 12 Jan. 18 One of Tyneside's landmark buildings will be the centre of attraction for Quaysiders this weekend. < as lemmas |
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