| 单词 |
quenched |
| 释义 |
quenched, ppl. a.|kwɛnʃt|
[f. quench v. + -ed1.]
a. That has been quenched. Also with out.
1814Byron Lara i. xxix, Quench'd existence crouches in a grave. 1825J. Neal Bro. Jonathan III. 412 He could not bear the look of the quenched eyes. 1868Browning Ring & Bk. vi. 148 To relume the quenched flax. 1881O. Wilde Poems 211 The quenched-out torch, the lonely cypress-gloom. 1938[see quench n. 2]. 1946[see quenching rate s.v. quenching vbl. n. 2]. 1958[see aggregate n. 6]. 1963B. Fozard Instrumentation & Control Nucl. Reactors v. 50 Organically quenched counters are characterised by high starting and operating voltages.
b. Radio. quenched spark, a spark in a spark transmitter that is extinguished mechanically soon after it begins (see quench v. 1 d); so quenched gap, a spark-gap designed to bring this about.
1910G. W. Pierce Princ. Wireless Telegr. xxiii. 269 The quenched spark is..economical in transmitting energy, and is favorable to sharp tuning. 1927O. F. Brown Elements of Radio Communication iv. 53 The two methods most frequently employed for quenching are either the use of a rotating spark gap or a specially designed spark gap known as the ‘quenched gap’. 1962J. H. & P. J. Reyner Radio Communication vii. 294 Owing to the rapid cooling a very high spark frequency may be used, and quenched spark sets operated with a spark frequency of 1,500 per second or more. |
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单词 quenchable 释义 quenchable, a.|kwnb()l|[f. prec. + -able.]That may be quenched.1611Co......