| 单词 | shut-off |
| 释义 | shut-off, n. and a.
Also shutoff.
[Cf. shut v. 16.]
A. n.
1. Something which shuts off: a tap, valve. Also, something used for stopping the operation of anything. Also attrib.
1869Rankine Machine & Hand-tools Pl. G 1, The shut-off valve. 1892Photogr. Ann. II. Advt. p. clxii, Automatic Shut-off. 1951Nucleonics Nov. 16/2 Two..plates are used in controlling the reactor; the other two act as emergency shut-offs. 1970N. Armstrong et al. First on Moon xiii. 313 Okay, I'm going to open up the main shutoffs. Ascent feed closed. 1973R. Ludlum Matlock Paper xxii. 188 He found the shut-off button and pressed it. 1978N.Y. Times 30 Mar. b 8 (Advt.), A pocket-size recorder that's perfect for school, office or home. Has end-of-tape shut-off.
2. A cessation of flow, supply, or activity.
1889Cent. Dict. 5606/1 Shut-off, stoppage of anything. 1919Summary of Operations Calif. Oil Fields (Calif. State Mining Bur.) V. i. 8 Collar shut-off, an accidental ‘shut-off’ supposed to be occasioned by the accumulation of material between the walls of a well and the casing at, or just above, a collar. 1942Sun (Baltimore) 28 Dec. 18/4 A threatened shutoff of tin containers. 1974Spartanburg (S. Carolina) Herald-Jrnl. 21 Apr. A2 (Advt.), Easily adjusts from powerful stream to fine spray to complete water shut-off. 1977Nature 6 Jan. 29/1 Neither alt nor mod mutants affect the shutoff of host protein or rRNA synthesis in vivo.
B. adj. [shut ppl. a. 2.] Disconnected, stopped; isolated, withdrawn.
1913D. H. Lawrence Sons & Lovers v. 96 That peculiar shut-off look of the poor who have to depend on the favour of others. 1933S. Spender Poems 45 The airliner with shut-off engines Glides over suburbs. 1939C. Isherwood Goodbye to Berlin 91, I felt a most marvellous sort of shut-off feeling from all the rest of the world. 1982‘J. Ross’ Death's Head iv. 30 She said nothing more, waiting in a shut-off silence. |
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