23-letter words containing a, c, e, s, i, o
- urban conservation area — an urban area that is protected, preserved and carefully managed
- variable contrast paper — printing paper in which the contrast of the image is controlled by the color of the printing light.
- vestibulocochlear nerve — either one of the eight pairs of cranial nerves that supply the cochlea and semicircular canals of the internal ear and contribute to the sense of hearing
- video cassette recorder — See VCR.
- viscount horatio nelson — Viscount Horatio, 1758–1805, British admiral.
- volumetric displacement — the volume of air per revolution that passes through a mechanical pump when the pressure at the intake and the exhaust is the same as that of the atmosphere
- voter registration card — a card that enables a person to register in order to vote
- war manpower commission — the board (1942–45) that regulated the most efficient use of labor during World War II. Abbreviation: WMC.
- what makes someone tick — the basic drive or motivation of a person
- when the chips are down — a small, slender piece, as of wood, separated by chopping, cutting, or breaking.
- white-coat hypertension — the phenomenon of having elevated blood pressure only during a medical consultation