12-letter words containing p, o, r, t, i
- 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.
- trepidatious — tremulous fear, alarm, or agitation; perturbation.
- triadelphous — (of stamens) united by the filaments into three sets or bundles.
- trial period — time during which sth can be evaluated
- tribespeople — members of a tribe; people living a tribal lifestyle
- tricephalous — with three heads
- trichinopoly — a city in central Tamil Nadu, in S India, on the Kaveri River.
- trichophyton — a parasitic fungus belonging to the genus Trichophyton that can infect human skin, hair, and nails
- trichopteran — trichopterous.
- trichopteron — trichopteran.
- tricorporate — having three bodies
- trimethoprim — a synthetic crystalline compound, C 11 H 18 N 4 O 3 , usually combined with a sulfonamide as an antibiotic preparation in the treatment of urinary tract infections and pneumocystis pneumonia.
- tripartition — division into three parts.
- triphosphate — a salt derived from triphosphoric acid.
- triple bogey — a score of three strokes over par on a hole.
- triple crown — an unofficial title held by a horse that wins the Kentucky Derby, the Preakness, and the Belmont Stakes in a single season.
- triple point — the particular temperature and pressure at which the solid, liquid, and gaseous phases of a given substance are all at equilibrium with one another.
- triple voile — a lightweight, sheer voile of silk or synthetic fibers constructed in plain or novelty weaves.
- 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
- trophallaxis — (among social insects) the exchange of nutriments or other secretions between members of a colony.
- trophobiosis — the exchange of nourishment between organisms in a symbiotic relationship
- trophobiotic — involving, belonging or relating to trophobiosis
- trophotactic — of or relating to trophotaxis
- trophotropic — of or relating to trophotropism
- trophy child — anything taken in war, hunting, competition, etc., especially when preserved as a memento; spoil, prize, or award.
- tropicalised — to make tropical, as in character or appearance.
- tropicalized — to make tropical, as in character or appearance.
- tropophilous — adapted to a climate characterized by marked environmental changes.
- trouser clip — a clip that is worn around the bottom of a trouser leg to stop the material getting caught in the chain of a bicycle
- trunk piston — a piston with a long skirt to take the side thrust, as in an automobile engine.
- trypanocidal — (of a drug, agent, activity, etc) effective in killing trypanosomes
- tutor period — (in British secondary schools) a school period for which a tutor group comes together with their tutor
- 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
- type i error — the error made in the statistical testing of a hypothesis by rejecting the null hypothesis when it is actually true.
- typhoid mary — Mary ("Typhoid Mary") 1869?–1938, U.S. cook, born in Ireland: known immune carrier of typhoid fever who infected many with the disease, institutionalized in 1914.
- typing error — an error made while using a keyboard to write something
- typographist — a person skilled in the art of typography
- underexploit — to make insufficient use of
- unimportance — a lack of importance
- unimportuned — without being forced or impelled
- unit process — any of a number of standard operations, such as filtration or distillation, that are widely used in various chemical and process industries
- unpatronized — having few or no patrons
- unperfection — imperfection
- unproductive — having the power of producing; generative; creative: a productive effort.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unprohibited — to forbid (an action, activity, etc.) by authority or law: Smoking is prohibited here.