12-letter words containing o, n, p, a, i
- transpicuous — transparent.
- transponible — capable of being transposed.
- transpontine — across or beyond a bridge.
- transportive — to carry, move, or convey from one place to another.
- transumption — an act of metaphorical transference
- trapshooting — the sport of shooting at clay pigeons hurled into the air from a trap.
- trephination — a small circular saw with a center pin mounted on a strong hollow metal shaft to which is attached a transverse handle: used in surgery to remove circular disks of bone from the skull.
- trepidations — tremulous fear, alarm, or agitation; perturbation.
- trichopteran — trichopterous.
- tripartition — division into three parts.
- tripolitania — Also, Tripolitania [trip-uh-li-tey-nee-uh, -teyn-yuh; Italian tree-paw-lee-tah-nyah] /ˌtrɪp ə lɪˈteɪ ni ə, -ˈteɪn yə; Italian ˌtri pɔ liˈtɑ nyɑ/ (Show IPA). one of the former Barbary States of N Africa: later a province of Turkey; now a part of Libya.
- tripudiation — the act of dancing for joy
- trypanocidal — (of a drug, agent, activity, etc) effective in killing trypanosomes
- 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.
- unapologetic — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- unauspicious — inauspicious; unfavourable; unlucky
- uncompassion — a feeling of deep sympathy and sorrow for another who is stricken by misfortune, accompanied by a strong desire to alleviate the suffering.
- uncomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- underpassion — an underlying or subconscious passion
- undiplomatic — of, relating to, or engaged in diplomacy: diplomatic officials.
- 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.
- unpassionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- unpatronized — having few or no patrons
- unpavilioned — not provided with a pavilion
- unpoetically — in an unpoetic manner
- unpolishable — incapable of being made smooth or shiny
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unreciprocal — given or felt by each toward the other; mutual: reciprocal respect.
- unsaponified — to convert (a fat) into soap by treating with an alkali.
- up and doing — busy; active
- vacation pay — salary paid during holidays
- vaporishness — the quality or state of being vaporish
- vaporization — the act of vaporizing.
- velocipedean — someone who rides a velocipede
- vituperation — verbal abuse or castigation; violent denunciation or condemnation.
- voting paper — a ballot.
- wapsipinicon — a river in E Iowa, flowing SE to the Mississippi River. 255 miles (410 km) long.
- 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.
- weaponeering — the act of fitting out with weapons
- whaling port — a home port for whaling vessels.
- xanthopterin — a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
- zoosporangia — Plural form of zoosporangium.