| 单词 | pendulum clock |
| 释义 | > as lemmaspendulum clock pendulum clock n. a clock controlled by a pendulum. ΘΚΠ the world > time > instruments for measuring time > clock > [noun] > pendulum clock pendulum clock1663 pendule clock1664 pendulum1664 pendulum-piece1734 wag-at-the-wall1825 longcase clock1851 grandfather clock1883 trunk dial1884 grandfather1894 grandmother clock1898 longcase1899 granddaughter clock1926 grandmother1931 granddaughter1968 1663 Minute 21 Oct. in T. Birch Hist. Royal Soc. (1756) I. 320 The two pendulum-clocks sent..into the Streights. 1763 Philos. Trans. 1762 (Royal Soc.) 52 582 The above observations were minuted from a stop-watch of Mr. Ellicott's, having no pendulum-clock or time-piece. 1898 P. Manson Trop. Dis. xiv. 226 The sounds of the heart are, like the beats of a well-hung pendulum-clock, evenly spaced. 1992 S. P. Maran Astron. & Astrophysics Encycl. 930/1 Common, French, or small clock hours,..were adopted as the standard system of counting the hours after the introduction of the pendulum clock. < as lemmas |
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