Spelling Bee Hive found 1 result for kater's pendulum. This page contains the same results as searching for that word in the app.
Kater's pendulum - noun; Level 9; origin: English + Latin; pronunciation: ˈkātə(r)z-ˈpen-jə-ləm, -d(y)ə-. an adjustable reversible swinging device with two knife-edge pivots, used to determine local gravitational acceleration from its period.
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