| 释义 |
deletion|dɪˈliːʃən|
[ad. L. dēlētiōn-em, n. of action from dēlēre to blot out, efface.]
1. The action of effacing or destroying; destruction, annihilation, abolition, extinction. Now arch.
1606Coke in True & Perf. Rel. D iij b, Tending not onely to the hurt..but euen the deletion of our whole name and Nation. 1651–3Jer. Taylor Serm. for Year i. v. 58 Unlesse this proceed so far as to a total deletion of the sin. 1677Hale Pomp. Atticus 36 The taking of Alexandria by Augustus, which was the fatal and funeral deletion of Antony. 1845Davison Disc. Prophecy v. (1861) 162 Rome remains, though Carthage is gone: the similar fate of deletion has not come. 1881Stevenson Virg. Puerisque, Ordered South 162 The more will he be tempted to regret the extinction of his powers and the deletion of his personality.
2. a. The action of striking out, erasing or obliterating written or printed matter; the fact of being deleted; a deleted passage, an erasure.
1590Swinburne Testaments 271 Although the deletion were in the chiefe part of the testament. 1852Sir W. Hamilton Discuss. 38 note, Some deletions, found necessary in consequence of the unexpected length to which the Article extended..have been restored. 1880Muirhead Gaius i. §31 note, With a dot—equivalent to deletion—over some if not all of the letters. 1884Kay in Law Times Rep. LI. 315/1 The deletion was initialed in the margin with the initials of the persons who signed the agreement.
b. The action of deleting a gramophone record from the catalogue; a deleted record.
1937Gramophone Oct. 190/1 The characteristic of last year's deletion list was the preponderance of French works. 1944Ibid. Sept. 52/3 (heading) Decca deletions. 1954Gramophone Record Rev. Oct. 574/2 From the many Schwarzkopf deletions I would single out the best complete version of the aria ‘L'amero, saro costante’. 1969Gramophone June 103/2 (Advt.), Classical, Shows and jazz LPs at reduced prices, mono and stereo deletions.
3. Cytology. The loss of a segment from a chromosome; also, the segment lost. Cf. deficiency 1 e.
1929Painter & Muller in Jrnl. Heredity XX. 295/1 Deletions of X Chromosomes. Ibid., We have obtained..hyperdiploids of a different origin, based upon deletions of the X. 1938E. B. Ford Study of Heredity iv. 92 In the instances so far mentioned, the fragment of chromosome which has broken away has succeeded in reattaching itself elsewhere. Sometimes, however, it fails to do so and is lost. This leads to ‘deletion’, in which some of the genes..find themselves unopposed by their allelomorphs. 1952C. P. Blacker Eugenics 245 A piece of a chromosome may break off, causing a deficiency or deletion. 1969Brown & Bertke Textbk. Cytol. xxi. 480/2 The location where an interstitial deletion was ‘extracted’ is not represented by a gap in the chromosome. |