Definition of per-rotatory in English:

per-rotatory

adjective

  • 1Passing through a series of terms or objects as if arranged in a circle, so that one passes from the last immediately to the first again. rare.

  • 2Medicine. Relating to or designating a form of nystagmus that occurs during, and in the direction of, rotation of the body.

Origin

Mid 19th century; earliest use found in Proceedings of the Royal Society of London. From per- + rotatory.

Pronunciation

per-rotatory

/ˌpəːrə(ʊ)ˈteɪt(ə)ri//pəːˈrəʊtət(ə)ri/