-lə(r) adjective
Etymology: French pendulaire, from pendule pendulum (from Latin pendulus ) + -aire -ar
: being or resembling the movement of a pendulum : swinging or undulating back and forth
public opinion has moved in violent pendular swings between optimism and pessimism — New Republic
pendular vibrations produce the sine wave — C.S.Myers
the pendular movements of the isolated rat intestine — Gilles Papineau-Couture