diadrom

D2I1A1D2R1O1M3
/ˈdaɪədɹəm/

noun

A complete course or vibration, as of a pendulum.

OriginAncient Greek διάδρομος →
Scrabble 11
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Meanings

noundiadrom (plural diadroms)

plural diadroms

  1. obsoleteA 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

    1689 (indicated as 1690), [John Locke], An Essay Concerning Humane Understanding. […], London: […] Eliz[abeth] Holt, for Thomas Basset, […], →OCLC

Origin

  1. Ancient Greekδιάδρομος“a running through”
  2. Englishdiadrom

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

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

diadrom. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/diadrom

MLA

“diadrom.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diadrom. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “diadrom,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/diadrom.

Source: diadrom on Wiktionary, CC BY-SA 4.0.