9-letter words containing a, t, o, n, i
- totalling — constituting or comprising the whole; entire; whole: the total expenditure.
- totaquine — a mixture of quinine and other alkaloids derived from cinchona bark, used as a substitute for quinine in treating malaria
- toy train — child's plaything: miniature train
- tradition — the handing down of statements, beliefs, legends, customs, information, etc., from generation to generation, especially by word of mouth or by practice: a story that has come down to us by popular tradition.
- train oil — oil obtained from the blubber of whales or from seals, walruses, or other marine animals.
- trainload — the cargo or passenger capacity of a train.
- transonic — close to the speed of propagation of sound; moving at 700–780 miles per hour (1127–1255 km/h) at sea level.
- trasimeno — a lake in central Italy, in Umbria near Perugia: Romans defeated by Hannibal 217 b.c. About 50 sq. mi. (130 sq. km).
- trebbiano — a type of grape and vine cultivated in Italy for making wine (by the same name)
- triathlon — an athletic contest comprising three consecutive events, usually swimming, bicycling, and distance running.
- triclosan — a drug used to treat skin infections
- trination — celebration of Mass three times on the same day by the same priest.
- trinomial — Algebra. consisting of or pertaining to three terms.
- trionymal — having a name that consists of three separate parts
- trisagion — an ancient hymn
- tritanope — a person who cannot distinguish the colour blue
- troparion — (in the Greek Orthodox Church) a verse or short hymn
- tsakonian — a modern Greek dialect spoken on the east coast of the Peloponnesus, descended from the Laconian dialect of ancient Sparta.
- typhonian — of or relating to Typhon
- typomania — an obsession with typology
- ululation — to howl, as a dog or a wolf; hoot, as an owl.
- uncoating — a process whereby the genome of a virus is exposed in order for the virus to replicate
- urination — to pass or discharge urine.
- vacuation — an act of emptying
- vagotonia — hyperexcitability of the vagus nerve, producing bradycardia, decreased heart output, and faintness.
- vagotonic — hyperexcitability of the vagus nerve, producing bradycardia, decreased heart output, and faintness.
- valentino — Rudolph (Rodolpho d'Antonguolla) 1895–1926, U.S. motion-picture actor, born in Italy.
- vallation — a rampart or entrenchment.
- valuation — the act of estimating or setting the value of something; appraisal.
- variation — the act, process, or accident of varying in condition, character, or degree: Prices are subject to variation.
- vasotocin — a chemical similar to oxytocin found in birds, fish, and some amphibians
- vasotonic — pertaining to or regulating the tone of the blood vessels.
- vernation — the arrangement of the foliage leaves within the bud.
- vibration — the act of vibrating.
- victorian — of or relating to Queen Victoria or the period of her reign: Victorian poets.
- violation — the act of violating.
- vitaphone — an early technique in commercial film-making in which the accompanying sound was produced by discs
- vitiation — to impair the quality of; make faulty; spoil.
- volcanist — a person who studies volcanoes
- wagon-lit — (in continental European usage) a railroad sleeping car.
- wainscots — Plural form of wainscot.
- walk into — If you walk into an unpleasant situation, you become involved in it without expecting to, especially because you have been careless.
- wantoning — Present participle of wanton.
- wantonize — to make (something) wanton
- way point — a place or point between major points on a route.
- waypoints — Plural form of waypoint.
- witwanton — an instance of being disrespectfully witty
- xanthosis — (pathology) A yellowish discolouration of tissues undergoing degeneration.
- yanktonai — a member of one of two tribes of Dakota Indian people who inhabited the northern Great Plains in the 18th and 19th centuries. Compare Yankton (def 1).
- zákinthos — one of the southernmost islands of the Ionian Islands, Greece: 155 sq mi (401 sq km)