English Dictionary

diadrom

/ˈdaɪədɹəm/

noun

(obsolete) A complete course or vibration, as of a pendulum.

The diadrom of the pendulum was measured to determine its frequency.

意味（1）

(obsolete) 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