pendulumshaped
Pendulumshaped is a term used to describe objects or phenomena that exhibit a motion or form resembling that of a pendulum. A pendulum is a weight suspended from a pivot so that it can swing freely. The defining characteristic of a pendulum is its oscillatory motion, characterized by a repetitive swing back and forth.
When an object is described as pendulumshaped, it implies a similarity to this swinging motion or the