tetanuranAny theropod of the clade Tetanurae, all theropods, including birds, that are more closely related to modern birds than to the genus †Ceratosaurus.
tetanusA serious and often fatal disease caused by the infection of an open wound with the anaerobic bacterium Clostridium tetani, found in soil and the intestines and faeces of animals.
tetanyA condition characterized by painful muscular spasms, caused by faulty calcium metabolism.
tetchinessThe quality of being tetchy, or irritable
tetchySynonym of touchy: easily annoyed or irritated, peevish, testy, irascible; also (figurative) extremely sensitive, difficult to manage, use, or work.
tetelA large African antelope (Alcelaphus buselaphus tora) with widely divergent, strongly ringed horns.
tetelaA member of a Bantu ethnic group of the Democratic Republic of the Congo.
TetelcingoA community in Cuautla, Morelos, Mexico.
TetfordA village and civil parish (served by Tetford and Salmonby Parish Council) in East Lindsey district, Lincolnshire, England (OS grid ref TF3374).
tethThe ninth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).
tetherA rope, cable etc. that holds something in place whilst allowing some movement.
tetherballA two-person sport where players hit a ball on the end of a tether attached to the top of a pole in opposite directions, and the winner is the one who manages to make the tether wrap all the way round the pole.
TethysPersonification of fertile waters, she was a Titan daughter of Uranus and Gaia, and with her brother Oceanus gave birth to all rivers and the Oceanids.
tethysaurineAny mosasauroid of the genus †Tethysaurus
tetraAny of numerous species of small freshwater fish of the South American family Characidae and West African family Alestidae, popular in home aquariums.
tetraacetateAny conjugate base, salt, or ester having four acetate groups.
tetraacetyldibenzylhexaazaisowurtzitaneA nitrogen-rich organic compound with a cage-like hexaazaisowurtzitane structure, used primarily as an intermediate in the synthesis of the high-energy-density energetic material hexanitrohexaazaisowurtzitane.
tetraacetylethaneAn organic compound, prepared by oxidation of sodium acetylacetonate, that is a precursor to heterocycles and metal complexes.
tetraacetylethylenediamineAn organic compound produced by acetylation of ethylenediamine, an important component of detergents and bleaches.
tetrabutyltinA stable organotin compound, a combustible, colourless liquid at room temperature, that is the starting material for tributyltin and dibutyltin.
tetracaesiumFour caesium atoms or cations in a molecule (Cs₄)
tetracaineA crystalline basic ester C₁₅H₂₄N₂O₂ that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride as a local anesthetic.
tetracalciumFour calcium atoms or ions in a compound
tetracameralHaving four chambers; comprising four separate parts.
tetracameralismThe practice of having four legislative bodies or parliamentary chambers, such as the Medieval Scandinavian deliberative assemblies divided into separate estates for the nobility, clergy, burghers, and peasants.