13-letter words containing a, e, t, i, o, l
- unsensational — not sensational
- untheological — not theological; not of or pertaining to the nature of theology
- untheoretical — not theoretical; not belonging or pertaining to the realm of theory; not confined to the theoretical realm; (somewhat) concrete
- ustilagineous — belonging to the Ustilaginales, an order of fungi that cause plant disease
- valedictorian — a student, usually the one ranking highest academically in a school graduating class, who delivers the valedictory at the commencement exercises.
- variable cost — a cost that varies with a change in the volume of output while remaining uniform on a per-unit basis, as cost of labor (distinguished from fixed cost).
- vegetable oil — any of a large group of oils that are esters of fatty acids and glycerol, obtained from the leaves, fruit, or seeds of plants.
- velocity head — the velocity of a fluid expressed in terms of the head or static pressure required to produce that velocity. It equals ρν/2 where ρ is the density of the fluid and ν is the velocity. In hydrology the density of water can be written 1/G where G is the gravitational constant
- ventriloquial — of, relating to, or using ventriloquism.
- verbalization — to express in words: He couldn't verbalize his feelings.
- vermiculation — to work or ornament with wavy lines or markings resembling the form or tracks of a worm.
- vernalization — to shorten the growth period of (a plant) by chilling or other special treatment of it, its seeds, or its bulbs.
- victoria nile — a section of the upper Nile River in central Uganda between Lake Victoria and Lake Albert. 260 miles (418 km) long.
- victoriaville — a town in S Quebec, in E Canada.
- victory medal — a round bronze medal awarded to all those who served in the armed forces of the U.S. during World War I.
- village idiot — someone who is well known in their community for their stupidity and ignorant behaviour
- violet family — the plant family Violaceae, characterized by herbaceous plants and some tropical shrubs and trees having alternate, usually simple leaves, solitary flowers with five usually irregular petals, the lower petal often spurred, and a berry or many-seeded capsule, and including the Johnny-jump-up, pansy, and numerous species of violet.
- visual cortex — the portion of the cerebral cortex of the brain that receives and processes impulses from the optic nerves.
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- votive candle — religion: candle lit in prayer
- walter piston — Walter, 1894–1976, U.S. composer.
- water lobelia — Lobelia dortmanna
- water milfoil — any of various aquatic plants, chiefly of the genus Myriophyllum, the submerged leaves of which are very finely divided.
- water soldier — an aquatic plant, Stratiotes aloides, of Europe and NW Asia, having rosettes of large leaves and large three-petalled white flowers: family Hydrocharitaceae
- watercolorist — a pigment for which water and not oil is used as the vehicle.
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- watering hole — a bar, nightclub, or other social gathering place where alcoholic drinks are sold.
- wellingtonias — Plural form of wellingtonia.
- west columbia — a town in central South Carolina.
- wild bergamot — a plant, Monarda fistulosa, of the mint family, native to eastern North America, having a rounded cluster of lilac-colored or purple flowers, growing in dry places.
- winston-salem — a city in N North Carolina.
- withlacoochee — a river in central Florida, flowingN and W to the Gulf of Mexico. 160 miles (257 km) long.
- woolgathering — indulgence in idle fancies and in daydreaming; absentmindedness: His woolgathering was a handicap in school.
- xerophthalmia — abnormal dryness of the eyeball characterized by conjunctivitis, caused by a deficiency of tears and attributed to a lack of vitamin A.
- xerophthalmic — Of or pertaining to xerophthalmia.
- zero altitude — the height at which the atmospheric pressure is 610.5Pa
- zymotechnical — relating to the technology of fermentation