peritrochium

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noun

The wheel which, together with the axle, forms the axis in peritrochio.

First used 18th–19th c.Scrabble 21

Meanings

nounperitrochium (plural peritrochia)

plural peritrochia

  1. engineeringThe wheel which, together with the axle, forms the axis in peritrochio.First known use 18th–19th c.

    [T]he engineer proceeded to the illustration of his mechanicks, tilting up his hand like a balance, thrusting it forward by way of lever, embracing the naturalist's nose like a wedge betwixt two of his fingers, and turning it round, with the momentum of a screw or peritrochium.

    1751, [Tobias] Smollett, The Adventures of Peregrine Pickle […], volume (please specify |volume=I to IV), London: Harrison and Co., […], →OCLC

Origin

  1. Ancient Greekπερίτροχος“circular”
  2. Koine Greekπεριτρόχιον
  3. New Latinperitrochium
  4. Englishperitrochium

From New Latin peritrochium, from Koine Greek περιτρόχιον (peritrókhion), from Ancient Greek περίτροχος (perítrokhos, “circular”).

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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