| CONTRAOCTAVES | • contraoctaves n. Plural of contraoctave. • contra-octaves n. Plural of contra-octave. • CONTRAOCTAVE n. the musical octave that begins on the third C below middle C. |
| CONTROVERTERS | • controverters n. Plural of controverter. • CONTROVERTER n. one who controverts. |
| CONTROVERTIST | • controvertist n. One skilled in or given to controversy; a controversialist. • CONTROVERTIST n. one who engages in controversy. |
| ELECTRONVOLTS | • electronvolts n. Plural of electronvolt. • electron␣volts n. Plural of electron volt. • ELECTRONVOLT n. a unit of energy equal to the work done on an electron accelerated through a potential difference of 1 volt. |
| LOVEWORTHIEST | • LOVEWORTHY adj. lovable. |
| OVARIOTOMISTS | • ovariotomists n. Plural of ovariotomist. • OVARIOTOMIST n. one who carries out ovariotomies. |
| OVERCONSTRUCT | • overconstruct v. (Transitive) To place too great a construction upon; to exaggerate. • OVERCONSTRUCT v. to construct excessively. |
| OVEROPTIMISTS | • overoptimists n. Plural of overoptimist. • OVEROPTIMIST n. one who is excessively optimistic. |
| OVERPLOTTINGS | • OVERPLOTTING n. excessive plotting. |
| OVERTAXATIONS | • overtaxations n. Plural of overtaxation. • OVERTAXATION n. excessive taxation. |
| POSTOPERATIVE | • postoperative adj. Of, relating to, or occurring in the period after a surgical operation. • postoperative n. A transgender person who has undergone gender reassignment surgery. • post-operative adj. Alternative spelling of postoperative. |
| REMOTIVATIONS | • remotivations n. Plural of remotivation. • REMOTIVATION n. the act of remotivating. |
| REVOLUTIONIST | • revolutionist n. A person who revolts. • REVOLUTIONIST n. a revolutionary. |
| STRATOVOLCANO | • stratovolcano n. (Volcanology) A tall conical volcano, composed of layers (or strata) of hardened lava, tephra and ash. • STRATOVOLCANO n. a composite volcano, composed of alternating layers of lava and pyroclastic material, along with abundant dikes and sills. |
| VECTORISATION | • vectorisation n. Alternative spelling of vectorization. • VECTORISATION n. the process of vectorising, also VECTORIZATION. |
| VITRIOLATIONS | • VITRIOLATION n. conversion into or treatment with vitriol. |
| VOLUNTOURISTS | • voluntourists n. Plural of voluntourist. |
| VOMITURITIONS | • VOMITURITION n. violent retching. |