diadrom
名词 n.
英文释义
名词 n.
-
A complete course or vibration, as of a pendulum.
— an inch one-tenth of a philosophical foot, a philosophical foot one-third of a pendulum, whose diadroms, in the latitude of forty-five degrees, are each equal to one second of time
词形变化
词源
From Ancient Greek διάδρομος (diádromos, “a running through”).
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数据来源: Wiktionary