12-letter words containing a, u, v, o
- unmotivating — to provide with a motive, or a cause or reason to act; incite; impel.
- unobservable — incapable of observation; imperceptible
- unobservance — a failure to comply or observe (a law, custom, etc)
- unpavilioned — not provided with a pavilion
- unreprovable — not able to be reproved, reproached, or criticized
- unresolvable — not able to be resolved or brought to a satisfactory resolution
- unvoyageable — not able to be sailed or otherwise journeyed over; untraversable; innavigable
- vacuum servo — a servomechanism that is operated by the lowering of pressure in the intake duct of an internal-combustion engine
- vaginicolous — living in a sheath
- vainglorious — filled with or given to vainglory: a vainglorious actor.
- valve bounce — A valve bounce is the bouncing of a poppet valve on its seat when it is closing.
- vapour trail — A vapour trail is a white line of water vapour left in the sky by an aeroplane, a rocket, or a missile.
- varicoloured — having many colours; variegated; motley
- variocoupler — a transformer having coils with a self-impedance that is essentially constant but a mutual impedance that can be varied by moving one coil with respect to the other.
- vasoligature — vasoligation.
- vax document — A document preparation system from DEC.
- verbenaceous — belonging to the plant family Verbenaceae.
- verumontanum — an elevation in the wall of the urethra
- vesiculation — characterized by or covered with vesicles.
- villainously — having a cruel, wicked, malicious nature or character.
- visuospatial — pertaining to perception of the spatial relationships among objects within the field of vision.
- vituperation — verbal abuse or castigation; violent denunciation or condemnation.
- vituperatory — abusive or blaming
- vocabularian — a person who is particularly or overly attentive to words
- vocabularied — having a vocabulary as specified
- vocicultural — relating to voice training
- voluntaryism — voluntarism (def 2).
- vso language — a type of language that has basic verb-subject-object word order, as Welsh, classical Arabic, or Tagalog.
- vuelta abajo — a region in W Cuba.
- vulvovaginal — relating to the external female genitals
- water vapour — steam
- wavefunction — (physics) A mathematical function that describes the propagation of the quantum mechanical wave associated with a particle (or system of particles), related to the probability of finding the particle in a particular region of space.