18-letter words containing v, i, a, t, o
- ulcerative colitis — chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
- ultraviolet filter — a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
- vanadium pentoxide — a yellow to red crystalline compound, V 2 O 5 , slightly soluble in water, used as a catalyst for organic reactions, in glass to absorb ultraviolet radiation, and as a photographic developer.
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- veterinary surgeon — Chiefly British. a veterinarian.
- victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
- video compact disc — (storage) (VCD) A storage format used for film distribution.
- video installation — an art installation incorporating video footage
- videotape recorder — a device for recording television programs on magnetic tape for delayed transmission or for storage.
- virginia snakeroot — any of various plants whose roots have been regarded as a remedy for snakebites, as the herb Aristolochia serpentaria (Virginia snakeroot) having a medicinal rhizome and rootlets, and the white-flowered Polygala senega (Seneca snakeroot) having a medicinal root.
- visitor's passport — (formerly, in Britain) a passport, valid for one year and for certain countries only, that could be purchased from post offices
- voluntary abortion — abortion (def 1).
- voluntary-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- vosges (mountains) — mountain range in NE France, west of the Rhine: highest peak, c. 4,700 ft (1,433 m)
- voter registration — the requirement of citizens to become registered in order to vote
- young conservative — a member of the youth section of the United Kingdom Conservative Party