Artificial intelligent assistant

unisonant

unisonant, a.
  (juːˈnɪsənənt)
  [f. L. ūni- uni- + sonant-, sonans (see sonant a.), after dissonant, etc. Cf. F. unissonant.]
  Of the same pitch or sound; unisonal, unisonous. Also in fig. context.

1801 Busby Dict. Mus., Unisonus, or Unisonant, an epithet applied to those sounds which are..in unison with each other. 1834 M. Somerville Connex. Phys. Sci. xvii. (1836) 168 If two bottles be..tuned by filling them with such a quantity of water as will render them unisonant with two tuning-forks which differ in pitch. 1886 M. Linskill Haven under Hill II. ix. 115 The mystic, moving, unisonant harmony that was stirring and breaking upon her own soul.

Oxford English Dictionary

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