Kater's pendulum

noun
Ka·​ter's pendulum | \ ˈkātə(r)z-\

Definition of Kater's pendulum

: a compound pendulum with adjustable knife edges placed respectively at the center of suspension and near the center of oscillation and used to determine acceleration of gravity by means of the period of oscillation

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History and Etymology for Kater's pendulum

after Henry Kater †1835 English scientist

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