| 单词 | forbidden time |
| 释义 | > as lemmasforbidden time spec. forbidden degrees, certain degrees of relationship within which persons are forbidden to marry; forbidden fruit, (a) that forbidden to Adam (Genesis ii. 17), also figurative; (b) hence, a name given to several varieties of Citrus, esp. C. decumana; forbidden line, a spectral line produced by a forbidden transition; †forbidden time (Scots Law), the close time for fish; forbidden transition, a transition between two states of a quantum-mechanical system (as a molecule, atom, or nucleus) that does not conform to some selection rules, esp. those for electric dipole radiation from an unperturbed system. ΘΚΠ the world > food and drink > hunting > fishing > [noun] > season > close season fence-time1546 forbidden time1609 fence-season1880 society > authority > subjection > prohibition > [noun] > that which is prohibited > fruit forbidden to Adam appleOE forbidden fruit1609 society > authority > subjection > prohibition > [noun] > that which is prohibited > something tempting but forbidden forbidden fruit1609 the world > food and drink > food > fruit and vegetables > fruit or a fruit > citrus fruit > [noun] citronc1450 forbidden fruita1818 the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > particular types of fruit > [noun] > citrus fruit Adam's apple?a1425 citronc1450 apple of Adam1615 forbidden fruita1818 kaffir lime1824 the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [noun] > transition which breaks rules forbidden transition1923 the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [noun] > transition which breaks rules > spectral line produced by forbidden line1923 1609 J. Skene tr. Quoniam Attach. lxxxvii. (heading) Of forbiddin Tyme in Fishing. 1662 E. Stillingfleet Origines Sacræ iii. iii. §5 He required from him the observance of that positive command of not eating of the forbidden fruit. 1663 J. Heath Flagellum (ed. 2) 5 The stealing and tasting of the forbidden fruit of Soveraignty. a1818 M. G. Lewis Jrnl. W. India Proprietor (1834) 212 Some sweet oranges, others bitter ones, others again forbidden fruit. 1858 P. L. Simmonds Dict. Trade Products Pomelloes, a name under which forbidden fruit is sometimes sold in this country by fruiterers. 1866 J. Lindley & T. Moore Treasury Bot. Forbidden Fruit Citrus Paradisi.—(of London) a variety of the shaddock C. decumana. 1872 O. Shipley Gloss. Eccl. Terms Forbidden Degrees. 1923 H. L. Brose tr. A. J. W. Sommerfeld Atomic Struct. & Spectral Lines vi. 366 The forbidden lines..belong to transitions in which n i jumps by two or..by three units. 1923 H. L. Brose tr. A. J. W. Sommerfeld Atomic Struct. & Spectral Lines vi. 367 In the combinations (spi) in the H.S. or the II N.S. no forbidden transitions occur. 1939 J. W. T. Spinks tr. G. Herzberg Molecular Spectra I. v. 305 Another forbidden transition, also involving magnetic dipole radiation, has been observed for oxygen. 1957 Encycl. Brit. II. 591/1 The two strong green lines in the spectra of the gaseous nebulae prove to be forbidden lines of doubly ionized oxygen. < as lemmas |
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