12-letter words containing o, a, t, h
- touchability — to put the hand, finger, etc., on or into contact with (something) to feel it: He touched the iron cautiously.
- toxicophobia — an intense fear of poisoning
- toynbee hall — a residential settlement in East London, named after Arnold Toynbee (1852–83), a British economist and social reformer
- tracheophyte — any plant of the former division Tracheophyta, comprising all the vascular plants.
- tracheoscopy — examination of the interior of the trachea, as with a laryngoscope.
- tracheostomy — the construction of an artificial opening through the neck into the trachea, usually for the relief of difficulty in breathing.
- trachomatous — a chronic, contagious infection of the conjunctiva and cornea, characterized by the formation of granulations and scarring and caused by the bacterium Chlamydia trachomatis.
- trade school — a high school giving instruction chiefly in the skilled trades.
- trapshooting — the sport of shooting at clay pigeons hurled into the air from a trap.
- trefoil arch — an arch with cusplike intrados.
- 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.
- triadelphous — (of stamens) united by the filaments into three sets or bundles.
- tricephalous — with three heads
- trichogramma — any minute wasp of the genus Trichogramma, comprising a beneficial group of chalcidflies that parasitize the eggs of a variety of insect pests.
- trichopteran — trichopterous.
- trichromatic — pertaining to the use or combination of three colors, as in printing or in color photography.
- triphosphate — a salt derived from triphosphoric acid.
- trochanteric — belonging or relating to a trochanter
- trocheameter — a device that records the distance that a motor vehicle has travelled
- trojan horse — Classical Mythology. a gigantic hollow wooden horse, left by the Greeks upon their pretended abandonment of the siege of Troy. The Trojans took it into Troy and Greek soldiers concealed in the horse opened the gates to the Greek army at night and conquered the city.
- trophallaxis — (among social insects) the exchange of nutriments or other secretions between members of a colony.
- trophotactic — of or relating to trophotaxis
- tschaikovsky — Peter Ilyich [il-yich] /ˈɪl yɪtʃ/ (Show IPA), Tchaikovsky, Peter Ilyich.
- turbo-charge — to equip (an internal-combustion engine) with a turbocharger.
- turbocharged — with additional power from turbine
- turbocharger — a supercharger that is driven by a turbine turned by exhaust gases from the engine.
- two-base hit — a base hit that enables a batter to reach second base safely.
- 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.
- typographist — a person skilled in the art of typography
- tyrolean hat — a man's soft felt hat with a somewhat conical crown that is flat and creased at the top, a narrow brim partially turned up, and, usually, a feather for decoration
- unauthorized — lacking permission; unsanctioned: unauthorized access.
- unfathomable — not able to be fathomed, or completely understood; incomprehensible: heroism in the face of unfathomable conflict.
- unhistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- unhospitable — not hospitable
- unmethodical — characterized by lack of method or disorderliness
- unrhetorical — not rhetorical; literal; plainspoken
- unroadworthy — not mechanically sound or suitable for use on the road
- up the wazoo — the anus.
- urolithiasis — a diseased condition marked by the formation of stones in the urinary tract.
- variety show — vaudeville performance
- waffle cloth — honeycomb (def 5a).
- walk through — an act or instance of walking or going on foot.
- walk-through — Theater, Television. a rehearsal in which physical action is combined with reading the lines of a play. a perfunctory performance of a script.
- walkthroughs — Plural form of walkthrough.
- warning shot — gunshot fired into the air
- washfountain — a large, usually circular wash basin, as in an industrial plant, in which a spray of water activated by foot pedal allows several workers to wash simultaneously.
- washingtonia — either of two fan palm species from the genus Washingtonia
- watch pocket — a small pocket in a garment, as in a vest or trousers, for holding a pocket watch, change, etc. Compare fob1 (def 1).
- watchdogging — a dog kept to guard property.
- weather bomb — a type of extratropical cyclone characterized by a low pressure system in which the central barometric pressure drops at least 24 millibars in 24 hours, which can produce hurricane-force winds with very heavy rainfall or snow.