12-letter words containing a, r, i, o, s, t
- sub-tropical — Sub-tropical places have a climate that is warm and wet, and are often near tropical regions.
- subarcuation — a structure that is somewhat arched
- subeditorial — of or relating to a subeditor, the work of a subeditor or a subeditorship
- suberization — the impregnation of cell walls with suberin, causing the formation of cork.
- subfactorial — the number of ways a group of objects can be arranged so that none of the objects are in their original or correct place
- subordinated — placed in or belonging to a lower order or rank.
- subordinator — a conjunction introducing a subordinate clause, as when in They were glad when I finished.
- substraction — the act or process of subtracting
- sugarcoating — the act or process of covering something with sugar.
- sukarnoputri — Megawati (ˈmɛɡəˌwɒtɪ). born 1947, Indonesian politician; president of Indonesia (2001–04): daughter of Achmed Sukarno
- superpatriot — a person who is patriotic to an extreme.
- superstation — an independent television station whose signal is transmitted by satellite to subscribers on a cable system.
- supplicatory — to pray humbly; make humble and earnest entreaty or petition.
- supraorbital — situated above the eye socket.
- surinam toad — a South American aquatic frog, Pipa pipa, the female of which carries the eggs and tadpoles in small depressions on its back.
- svga monitor — (hardware, graphics) A monitor capable of displaying the output of an SVGA card.
- synarthrodia — synarthrosis.
- synarthrosis — immovable articulation; a fixed or immovable joint; suture.
- syrtis major — an area in the northern hemisphere and near the equator of Mars, appearing as a dark region when viewed telescopically from the earth.
- tardenoisian — of or referring to a Mesolithic culture characterized by small flint instruments
- tautomerizes — to undergo tautomerism.
- teleosaurian — of or relating to the teleosaur
- tenuirostral — pertaining to a group of birds Tenuirostres which have slender bills
- testificator — a person who witnesses
- theorematist — a person who creates or discovers a theorem
- thermostatic — a device, including a relay actuated by thermal conduction or convection, that functions to establish and maintain a desired temperature automatically or signals a change in temperature for manual adjustment.
- thioarsenate — any of a group of chemical compounds considered salts of the thioarsenic acids
- thioarsenite — any of a group of chemical compounds considered salts of the thioarsenious acids
- titaniferous — containing or yielding titanium.
- toga virilis — the white toga assumed by boys in ancient Rome at the end of their 14th year.
- tourist trap — a place, as a restaurant, shop, or hotel, that exploits tourists by overcharging.
- toxocariasis — the infection of humans with the larvae of a genus of roundworms, Toxocara, of dogs and cats. It can cause swelling of the liver and, sometimes, damage to the eyes
- trace fossil — a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
- trading post — a store established in an unsettled or thinly settled region by a trader or trading company to obtain furs and local products in exchange for supplies, clothing, other goods, or for cash.
- traditionist — a traditionalist.
- trainer sock — a sock designed to be worn with a training shoe, often cut low at the ankle so that very little shows above the shoe
- trainspotter — A trainspotter is someone who is very interested in trains and spends time going to stations and recording the numbers of the trains that they see.
- tralaticious — transferred or passed down
- transactions — the published records of the proceedings of a society, conference, etc
- transcension — transcendence.
- transduction — the transfer of genetic material from one cell to another by means of a virus.
- transfection — the insertion into a cell of a bacterial plasmid that contains a foreign virus or genetic material.
- transforming — to change in form, appearance, or structure; metamorphose.
- transformism — the doctrine of gradual transformation of one species into another by descent with modification through many generations.
- transformist — an adherent of transformism.
- transit stop — a stop made by a vehicle such as an aircraft, train or bus on the way to its final destination
- transitional — movement, passage, or change from one position, state, stage, subject, concept, etc., to another; change: the transition from adolescence to adulthood.
- transmission — the act or process of transmitting.
- transmogrify — to change in appearance or form, especially strangely or grotesquely; transform.
- transoceanic — extending across or traversing the ocean: a transoceanic cable.