13-letter words containing o, n, p, a, i
- theanthropism — the doctrine of the union of the divine and human natures, especially the manifestation of God as man in Christ.
- thespian lion — a lion that attacked the flocks of Amphitryon and was killed by Hercules.
- tip one's hat — to take off, raise, or touch one's hat in salutation
- tone painting — musical description, by harmonic, melodic, or rhythmic means, of the words of a text or the story elements in program music.
- totipalmation — totipalmate condition or formation.
- town planning — city planning.
- tracking poll — a type of poll repeated periodically with the same group of people to check and measure changes of opinion or knowledge.
- traded option — an option that can itself be bought and sold on a stock exchange
- train spotter — a person who collects the numbers of railway locomotives
- trainspotting — hobby: observing trains
- transcription — the act or process of transcribing.
- transcriptome — a collection of all the messenger RNA in a particular cell
- transpiration — an action or instance of transpiring.
- transposition — an act of transposing.
- treponemiasis — infection with treponema; syphilis.
- tripolitanian — of or relating to Tripolitania (now part of Libya) or its inhabitants
- tropic-cancer — Geography. either of two corresponding parallels of latitude on the terrestrial globe, one (tropic of Cancer) about 23½° N, and the other (tropic of Capricorn) about 23½° S of the equator, being the boundaries of the Torrid Zone. the tropics, the regions lying between and near these parallels of latitude; the Torrid Zone and neighboring regions.
- tropical zone — Torrid Zone
- tympanic bone — (in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the tympanum or middle ear.
- unaccompanied — not accompanied; alone: The shipment arrived unaccompanied by an invoice.
- unapologizing — not apologetic; not willing to apologize or to make an apology
- unappropriate — not appropriate or suitable
- unapprovingly — in an unapproving manner
- uncompanioned — not having a companion; unaccompanied
- uncomplaining — to express dissatisfaction, pain, uneasiness, censure, resentment, or grief; find fault: He complained constantly about the noise in the corridor.
- uncomplaisant — not eager to please; not compliant or obliging
- uncomplicated — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- uncooperating — to work or act together or jointly for a common purpose or benefit.
- uncooperative — working or acting together willingly for a common purpose or benefit.
- under pain of — physical suffering or distress, as due to injury, illness, etc.
- unexceptional — not exceptional; not unusual or extraordinary.
- unicorn plant — a North American plant, Proboscidea (Martynia) louisianica, having creamy-white to red flowers blotched with purple, and a woody capsule with a long, curved beak.
- unimpassioned — not filled with passion or affected by strong emotion
- unopinionated — obstinate or conceited with regard to the merit of one's own opinions; conceitedly dogmatic.
- unpolarizable — not capable of being polarized
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- unprovocative — tending or serving to provoke; inciting, stimulating, irritating, or vexing.
- unreproaching — not reproaching or blaming
- up to a point — If you say that something is true up to a point, you mean that it is partly but not completely true.
- up-and-coming — likely to succeed; bright and industrious: an up-and-coming young executive.
- upright piano — a piano with an upright rectangular body and with its strings running vertically. Compare spinet (def 1).
- uranite group — the mineralogical group including uranites and related minerals.
- vacation trip — a trip undertaken during a vacation
- vaccine point — a thin, pointed, vaccine-coated piece of bone or the like, for use in vaccinating.
- vantage point — a position or place that affords a wide or advantageous perspective; viewpoint: to survey a valley from the vantage point of a high hill.
- vapor tension — vapor pressure.
- vapourishness — the quality or state of being vapourish
- vino de pasto — a pale, dry sherry of Spain.
- walter piston — Walter, 1894–1976, U.S. composer.
- warping board — a rectangular board containing evenly spaced pegs at each end on which the warp is wound in preparation for weaving.