WordReference Random House Unabridged Dictionary of American English © 2026
tor′sion pen′dulum, [Horol.]
  1. a pendulum the weight of which is rotated alternately in opposite directions through a horizontal plane by the torsion of the suspending rod or spring: used for clocks intended to run a long time between windings.
  • 1880–85

'torsion pendulum' also found in these entries (note: many are not synonyms or translations):
four-hundred-day clock

Forum discussions with the word(s) "torsion pendulum" in the title:


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