D defs.my
Entry 1 sense Webster, 1913

Oscillatory

/äs'-əl-ət-ôrˌ-ē/ · Os·cil·la·to·ry · IPA /ˈɑsələtˌɔriː/
01 a. Moving, or characterized by motion, backward and forward like a pendulum; swinging; oscillating; vibratory; as, oscillatory motion.
  1. 1.
    Moving, or characterized by motion, backward and forward like a pendulum; swinging; oscillating; vibratory; as, oscillatory motion.