12-letter words containing p, a, t, i, n
- trypaflavine — acriflavine hydrochloride.
- trypanocidal — (of a drug, agent, activity, etc) effective in killing trypanosomes
- tupi-guarani — a family of Indian languages including Tupi, Guarani, lingua geral, and many others of central South America.
- twin paradox — a phenomenon predicted by relativity. One of a pair of identical twins is supposed to live normally in an inertial system whilst the other is accelerated to a high speed in a spaceship, travels for a long time, and finally returns to rest beside his twin. The travelled twin will be found to be younger than his brother
- typification — to serve as a typical example of; exemplify.
- typing paper — paper for typing on
- unalphabetic — in the order of the letters of the alphabet: alphabetical arrangement.
- unapologetic — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- unappetizing — appealing to or stimulating the appetite; savory.
- uncomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- undiplomatic — of, relating to, or engaged in diplomacy: diplomatic officials.
- undispatched — not dispatched; not delivered or sent out
- undisputable — capable of being disputed; debatable; questionable.
- undissipated — indulging in or characterized by excessive devotion to pleasure; intemperate; dissolute.
- unduplicated — a copy exactly like an original.
- unhospitable — not hospitable
- unimportance — a lack of importance
- unipotential — Electricity, Electronics. having uniform electric potential throughout, as a hot cathode (unipotential cathode) indirectly heated by a separate heater circuit so that there is no lateral change of voltage across the cathode due to resistance to a heating current.
- unit's place — unit (def 8).
- united party — (formerly, in South Africa) the major opposition party, founded by General Smuts in 1934: the official Opposition in Parliament from 1948, the party was disbanded in 1977
- unpassionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- unpatronized — having few or no patrons
- unpoetically — in an unpoetic manner
- unpredicated — to proclaim; declare; affirm; assert.
- unprelatical — not befitting a prelate
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unscriptural — not scriptural
- unsplittable — to divide or separate from end to end or into layers: to split a log in two.
- unstipulated — to make an express demand or arrangement as a condition of agreement (often followed by for).
- vacation pay — salary paid during holidays
- vanity plate — a vehicle license plate bearing a combination of letters or numbers requested by the licensee, as a name or occupation.
- vanity press — a printing house that specializes in publishing books for which the authors pay all or most of the costs.
- vaporization — the act of vaporizing.
- vespertilian — of, relating to, or resembling a bat
- vice-captain — a person who deputizes for a captain and serves in his or her place during his or her absence or indisposition
- vitamin pill — a tablet containing a vitamin or vitamins
- vituperation — verbal abuse or castigation; violent denunciation or condemnation.
- voting paper — a ballot.
- warp-knitted — designating a fabric made by warp knitting.
- watering pot — a container for water, typically of metal or plastic and having a spout with a perforated nozzle, for watering or sprinkling plants, flowers, etc.
- watermanship — the skill, duties, business, etc., of a waterman.
- whaling port — a home port for whaling vessels.
- white plains — a city in SE New York, near New York City: battle 1776.
- xanthopterin — a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
- yachting cap — a cap with a round flat top and a visor
- zinc-plating — the process of covering something with a layer or coating of zinc
- zip fastener — a zipper.