13-letter words containing p, a, r, o
- tracheophytes — any plant of the former division Tracheophyta, comprising all the vascular plants.
- trachycarpous — having rough-skinned fruit.
- 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
- transpersonal — extending beyond or transcending the personal.
- transpiration — an action or instance of transpiring.
- transportedly — in a passionate or rapturous manner
- transposition — an act of transposing.
- trapezohedron — Crystallography. a crystal form having all faces trapeziums.
- treponemiasis — infection with treponema; syphilis.
- tricorporated — having three bodies and one head
- triploblastic — having three primary germ layers, as the embryos of vertebrates.
- tripolitanian — of or relating to Tripolitania (now part of Libya) or its inhabitants
- troop carrier — a transport airplane used for carrying troops and their equipment.
- 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 fish — any of numerous small, usually brightly colored fishes, indigenous to the tropics, and often kept and bred in home aquariums.
- tropical year — year (def 4b).
- tropical zone — Torrid Zone
- tropocollagen — the molecular unit which forms collagen, consisting of three polypeptide chains
- truman capote — Truman, 1924–84, U.S. novelist, short-story writer, and playwright.
- trust company — a company or corporation organized to exercise the functions of a trustee, but usually engaging also in other banking and financial activities.
- two-part time — duple time.
- typographical — of or relating to typography.
- ultrapowerful — extremely powerful
- ultratropical — outside the tropics.
- un-personable — of pleasing personal appearance; handsome or comely; attractive.
- unappropriate — not appropriate or suitable
- unapprovingly — in an unapproving manner
- 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.
- unexplanatory — serving to explain: an explanatory footnote.
- 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.
- unperformable — to carry out; execute; do: to perform miracles.
- unpolarizable — not capable of being polarized
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- unprotectable — to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger.
- unprovocative — tending or serving to provoke; inciting, stimulating, irritating, or vexing.
- unreproachful — not deserving reproach or blame
- unreproaching — not reproaching or blaming
- unsupportable — capable of being supported; endurable; maintainable.
- up and around — recovered from illness
- up to scratch — to break, mar, or mark the surface of by rubbing, scraping, or tearing with something sharp or rough: to scratch one's hand on a nail.
- upland plover — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- 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.