mon·au·ral 
(mŏn-ôrəl)
(mŏn-ôrəl)adj.
1. Of, relating to, or designating sound reception by one ear.
2. Electronics Monophonic.
mon·aural·ly adv.
- quadrangularly
- quadrant
- quadraphonic
- quadraphony
- quadrasonic
- quadrat
- quadrate
- quadratic
- quadratically
- quadratic equation
- quadratic formula
- quadratics
- quadrature
- quadrennial
- quadrennially
- quadrennium
- quadri-
- quadric
- quadricentenary
- quadricentennial
- quadriceps
- quadricipital
- quadriga
- agony
- agony column