| COACERVATIONS | • coacervations n. Plural of coacervation. • COACERVATION n. an aggregation of particles of an emulsoid into liquid droplets before flocculation. | 
| CONSERVATORIA | • conservatoria n. Plural of conservatorium. • CONSERVATORIUM n. (Latin) a school of music, also CONSERVATOIRE. | 
| 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. | 
| OBSERVATIONAL | • observational adj. Relating to observation, especially scientific observation. • OBSERVATIONAL adj. related to observation. | 
| OVERTAXATIONS | • overtaxations n. Plural of overtaxation. • OVERTAXATION n. excessive taxation. | 
| 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. | 
| VACUOLISATION | • vacuolisation n. Alternative form of vacuolization. • VACUOLISATION n. the act of producing vacuoles, also VACUOLIZATION. | 
| VALORISATIONS | • valorisations n. Plural of valorisation. • VALORISATION n. the fixing of prices, esp. by a policy imposed by a government or controlling body, also VALORIZATION. | 
| VALORIZATIONS | • valorizations n. Plural of valorization. • VALORIZATION n. the fixing of prices, esp. by a policy imposed by a government or controlling body, also VALORISATION. | 
| VAPORISATIONS | • vaporisations n. Plural of vaporisation. • VAPORISATION n. the act of vaporising, also VAPORIZATION. | 
| VAPORIZATIONS | • vaporizations n. Plural of vaporization. • VAPORIZATION n. the act of vaporizing, also VAPORISATION. | 
| VARIOLISATION | • VARIOLISATION n. inoculation with smallpox virus, also VARIOLIZATION. | 
| VASODILATIONS | • vasodilations n. Plural of vasodilation. • VASODILATION n. the dilatation of blood vessels, also VASODILATATION. | 
| VOCALISATIONS | • vocalisations n. Plural of vocalisation. • VOCALISATION n. the act of making vocal, also VOCALIZATION. | 
| VOCALIZATIONS | • vocalizations n. Plural of vocalization. • VOCALIZATION n. the act of making vocal, also VOCALISATION. | 
| VOCATIONALISM | • vocationalism n. An approach to education that seeks to equip learners with vocational skills for the workplace. • VOCATIONALISM n. emphasis on vocational training in education. | 
| VOCATIONALIST | • vocationalist n. A proponent of vocationalism. • VOCATIONALIST n. an exponent of vocationalism. | 
| VOLCANISATION | • volcanisation n. Alternative form of volcanization. • VOLCANISATION n. the process of volcanising, also VOLCANIZATION. |