torsion pendulum
noun Horology.
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.
Origin of torsion pendulum
First recorded in 1880–85
Words nearby torsion pendulum
torsion forceps,
torsion fracture,
torsion group,
torsion meter,
torsion modulus,
torsion pendulum,
torsion spasm,
torsion-free group,
torsional deformity,
torsiversion,
torsk