torsion pendulum (English, noun)
expansion: torsion pendulum (countable and uncountable, plural torsion pendulums)
Senses:
topics: hobbies
horology
lifestyle
glosses: A rigid object hanging from a wire or a spring and which rotates alternately in a horizontal plane.
tags: countable
uncountable
Forms:
form: torsion pendulums
tags: plural