diadrom

English

Etymology

From Ancient Greek διάδρομος (diádromos, “a running through”).

Pronunciation

• IPA^(key): /ˈdaɪədɹəm/

Noun

diadrom (plural diadroms)

1. (obsolete) A complete course or vibration, as of a pendulum.
   • 1689 (indicated as 1690), [John Locke], An Essay Concerning Humane Understanding. […], London: […] Eliz[abeth] Holt, for Thomas Basset, […], →OCLC:

     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

References

• “diadrom”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.