| 释义 |
▪ I. delayed, ppl. a.1|dɪˈleɪd|
[f. delay v.1 + -ed1.]
a. Deferred, retarded, etc.: see the verb.
1552Huloet, Delayed, comperendinatus, procrastinatus, tardatus. 1879B. Taylor Stud. Germ. Lit. 170 It was only a delayed, not a prevented growth. 1880Jefferies Gt. Estate 195 Nothing was said about the delayed visit.
b. In specific collocations, as delayed action: an action that is delayed, esp. for a particular purpose; an arrangement or device that delays an action; freq. attrib., as delayed-action bomb, a bomb that explodes some time after it has struck the target; delayed-action fuse, a fuse that delays the detonation of a charge until some time after the projectile has struck the target; delayed drop, delayed jump: a parachute jump in which the parachutist delays longer than usual before pulling the rip-cord; delayed neutron: a neutron emitted by a nucleus which has been left in an excited state following the decay or fission of its parent nucleus; delayed shock: shock (see shock n.3 5) that appears a considerable time after the event(s) that produced it; also transf.
1892Chambers's Jrnl. 560/1 A *delayed-action fuse. 1909Westm. Gaz. 2 Jan. 13/3 The thickest armour-plate can now be pierced by projectiles fitted with a delayed-action fuse. 1936F. J. Mortimer Wall's Dict. Photogr. (ed. 14) 175 Delayed action. Many shutters on modern cameras..are now made with a ‘delayed action’ adjustment. 1940Manch. Guardian Weekly 10 May 362 The debate will prepare an explosion that will go off like a delayed-action bomb in about three weeks' time. 1942Aeronautics June 62/1 Reaching their objective, dropped delayed-action bombs on their targets. 1958Listener 20 Nov. 812/1 The electoral delayed action of those events as it works itself out will be even more difficult to detect and disentangle. 1962G. Lawton John Wesley's English 162 We find effective delayed-action mechanism such as: ‘Indeed if thou canst save the soul of another, do; but at least save one,—thy own.’ 1967Gloss. Sanitation Terms (B.S.I.) 59 Delayed action ballvalve... The opening of the ballvalve is delayed until the water level in the cistern has fallen through a fixed distance.
1942A. M. Low Parachutes iv. 60 A *delayed drop of 200 feet. 1946W. F. Burbidge From Balloon to Bomber 43 The belief that a person lost consciousness during a parachute descent was widely held until delayed drops proved the contrary.
1942A. M. Low Parachutes iv. 60 The only really effective method of testing the matter was by a series of *delayed jumps.
1941M. Gowing Britain & Atomic Energy 1939–1945 (1964) App. ii. 406 There are a few ‘*delayed’ neutrons arising from products of the fission process. 1950Effects of Atomic Weapons 240 More than 99 percent of the total number of neutrons accompanying the fission of uranium 235 or plutonium 239 are released almost immediately, probably within 10-8 second of the explosion. These are referred to as the prompt neutrons. In addition, somewhat less than 1 percent, called the delayed neutrons, are emitted subsequently. 1963W. E. Burcham Nuclear Physics 703 A β-process may leave a product nucleus so highly excited that neutron emission is a predominant alternative to β--decay. An emission of delayed neutrons, with a half-life corresponding to that of the preceding β-emitter, then ensues.
1938Dorland & Miller Med. Dict. (ed. 18) 1272/2 *Delayed shock, severe physical or mental disturbance, of which the symptoms occur a considerable time after the injury or mental impression is received. 1961Guardian 29 May 12/6 The ‘delayed shock’ of the state's worst drought on record in 1959–60.
▪ II. † deˈlayed, ppl. a.2 Obs.
[f. delay v.2 + -ed1.]
Diluted, weakened by admixture; also transf. of colours.
1543Traheron Vigo's Chirurg. ii. xix. 29 Ye may gyve hym also delayed wine of small strength. 1597Gerarde Herbal i. xcvii. §2. 155 A fine delaied purple colour. 1610Holland Camden's Brit. (1637) 476 Somewhat yellowish like delayed gold. 1688R. Holme Armoury ii. 295 Of a delayed chestnut-colour. |