| 单词 | foot second |
| 释义 | > as lemmasfoot second foot second n. (a) a unit of velocity, defined as the number of feet travelled by a given object within a second; (b) = cusec n. (rare).In sense (a), now chiefly used to specify the velocity produced by firearm cartridges. ΚΠ 1866 F. Bashforth Descr. Chronograph 7 Or, converting the differences of the means of the velocities, as determined by the two instruments, into feet-seconds. 1919 Jrnl. Inst. Electr. Engineers 57 427/2 A flow of a cubic foot of water per second (termed a foot-second in America). 1933 Jrnl. Criminal Law & Criminol. 23 1106 This .45 pistol cartridge..delivers about 810 foot seconds velocity. 2010 C. Ashihs in D. Shideler Gun Digest Bk. Classic Combat Handguns 11/1 This is the most powerful handgun cartridge in existence. It develops 1510 foot seconds of muzzle velocity. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。