Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z tetrathiophosphate Any thiophosphate in which four oxygen atoms have been replaced by sulfur tetrathlon A contest with four successive events, usually showjumping, swimming, running and pistol shooting. tetration The arithmetic operator consisting of repeated exponentiation, by analogy with exponentiation being repeated multiplication and multiplication being repeated addition, ᵇᵃ denoting a to the power of a to the power of … to the power of a, in which a appears b times. tetrational Relating to tetration. tetratitanium Four atoms of titanium in a chemical compound. tetratomic Consisting of four atoms. tetratomid Any beetle in the family Tetratomidae. tetratonic Made of four different musical notes. tetratosylate Any salt or ester containing four tosylate ions or groups tetratriacontane Any of innumerable isomers of a saturated aliphatic hydrocarbon having thirty-four carbon atoms, but especially n-tetratriacontane CH₃(CH₂)₃₂CH₃ tetratriacontanoic Of or pertaining to tetratriacontanoic acid or its derivatives; gheddic/geddic. tetratricontane tetratriacontane tetratricopeptide A repeating sequence of thirty-four amino acids in a protein tetratrifluoroacetate Any salt or ester containing four trifluoroacetate groups tetratype A tetrad of two parental and two recombinant genotypes tetraubiquitin A complex of four ubiquitin proteins. tetraubiquitinated Modified by the addition of four ubiquitin groups tetraubiquitination The insertion of four ubiquitin moieties into a protein Tetrault A surname. tetrauranyl Four uranyl functional groups in a compound. tetravaccine A tetravalent vaccine tetravalence The condition of being tetravalent. tetravalency tetravalence tetravalent Having an atomic valence of 4. tetravanadate Four vanadate anions in a molecule ((VO₄)₄) tetravinyltetramethylcyclotetrasiloxane A cyclic organosilicon compound consisting of a four-member siloxane ring with four vinyl groups and four methyl groups attached to the silicon atoms. tetravirus Any virus of the family Tetraviridae tetrawickmanite A tetragonal-dipyramidal mineral containing hydrogen, manganese, oxygen, and tin. tetraxenon Four xenon atoms in a molecule tetraxenonogold The cation AuXe₄²⁺ tetraxetan A particular chelator, 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid. tetraxial Having four axes. tetraxile tetraxonal (having four branches diverging at right angles). tetraxon A tetraxonal spicule of a sponge tetraxonal Having four axes tetraxonic Relating to a tetraxon tetrayttrium Four atoms of yttrium in a chemical compound. tetrazene The hypothetical compound NH₂-NH-N=NH tetrazepam A benzodiazepine drug with anticonvulsant, anxiolytic, hypnotic and muscle relaxant properties. tetrazinc Four atoms of zinc in a chemical compound. tetrazine Any six-membered heterocycle having two carbon atoms, four nitrogen atoms and three double bonds tetrazole A five-membered heterocycle having one carbon atom, four nitrogen atoms and two double bonds tetrazolide The anion derived from tetrazole by loss of a proton tetrazoline The tricyclic heterocycle 7,8,9,11-tetrahydro-6H-pyrido[2,1-b]quinazoline tetrazolinone The five-membered, unsaturated heterocyclic ketone having four nitrogen atoms and one double bond opposite the carbonyl group tetrazolium A univalent cation derived from a tetrazole tetrazolo A radical derived from a tetrazole tetrazolopyrimidine Any tetrazolo derivative of pyrimidine tetrazolyl A radical derived from a tetrazole tetrazone Synonym of tetrazene tetrazonium A divalent cation containing two diazonium groups tetrazonocolpate Having four colpi aligned longitudinally, equidistant around the equator. tetrazotization The process of tetrazotizing. tetrazotize To add two diazo groups to a molecule tetrazzini An American dish usually including a non-red meat and a white sauce over spaghetti or some similar pasta. Tetreault An ethnic French surname from French. Tetreaultville A former town and neighborhood of Montreal, Quebec, Canada, merged into the former city of Mercier, on the Island of Montreal, existing to the east Longue Pointe and Autoroute 25. tetrel An element from the carbon group (or group 14) of the periodic table, which includes silicon, germanium, tin, and lead. tetrevangelium A collection of the four Gospels tetri A unit of currency in Georgia, one hundredth of a lari. tetriamond A polyiamond made up of four triangles. tetric Morose, bitter. tetrical tetric; harsh; morose tetricity The quality of being tetric: crabbedness, harshness, bitterness. Tetrick A surname. tetrigid Any member of the family Tetrigidae (groundhoppers). tetris The act of clearing four lines at once (the maximum possible) in Tetris. tetrix The three-dimensional analog of the Sierpinski triangle. Tetro A surname. tetrobol An Ancient Greek coin worth four obols. tetrode A thermionic valve similar to a triode with the addition of a screen grid to improve the thermionic emission. tetrodecamycin Any of a group of antibiotics that have a tetronate structure tetrodon Any of numerous species of plectognath fishes belonging to Tetraodon and allied genera. tetrodont Of or relating to the tetrodons. tetrodotoxin A neurotoxin, originally discovered in Tetraodontiformes, and found in pufferfish, blue-ringed octopus, etc. tetrofosmin Any of a group of chelate compounds, often having a radioisotopically labelled metal atom, used in cardiac imaging. tetrol Any polyhydric alcohol having four hydroxyl groups tetrolate Any salt or ester of tetrolic acid. tetromadurin A polyether tetronate ionophore antibiotic produced by the bacterium Actinomadura verrucosospora tetromino A polyomino consisting of four squares connected edge-to-edge. tetronal A sedative-hypnotic and anesthetic drug. tetronasin An antibiotic. tetronate Any salt or ester of tetronic acid. tetrone Any compound having four ketonic carbonyl groups. tetronerythrin The red pigment zoonerythrin. tetronomycin A polycyclic ionophoric polyether antibiotic isolated from Streptomyces. tetroon A constant-level weather balloon in the shape of a tetrahedron used to make observations in the lower atmosphere. tetroquinone tetrahydroxybenzoquinone tetrose A sugar or saccharide containing four carbon atoms. tetroxide any oxide containing four oxygen atoms in each molecule. tetroxoprim A derivative of trimethoprim. tetryl The explosive 2,4,6-trinitrophenyl-N-methylnitramine produced by the nitration of dimethylaniline. tetrylammonium The cation tetraethylammonium when used for the drug tetrylammonium bromide. tetrylene butylene tetrytol A high explosive comprising a mixture of tetryl and TNT. tetryzoline tetrahydrozoline tets A bottle or serving of Tetley's beer. Tetsuo A male given name from Japanese. Tetsworth A village and civil parish in South Oxfordshire district, Oxfordshire, England (OS grid ref SP6801). Tett A surname. Tetteh A surname. Tettenhall A suburb in the Metropolitan Borough of Wolverhampton, West Midlands, England (OS grid ref SJ8800). tetter Any of various pustular skin conditions. tetterberry White bryony (Bryonia alba) tetterish Synonym of tettery. tetterous Having the character of, or pertaining to, tetter (the skin condition). Tetterton A surname. tetterwort A plant used as a remedy for tetter, Chelidonium majus tettery Resembling or characteristic of tetter (pustular skin condition). tettigarctid Any member of the Tettigarctidae, the hairy cicadas. tettigoniid Any member of the family Tettigoniidae, the katydids or bush-crickets. tettigonioid Any insect of the superfamily Tettigonioidea tettish nitpicky or testy tettix A cicada, especially in Greece. tetty A diminutive of the female given name Elizabeth. Tetum The Malayo-Polynesian national language of East Timor. Tetyana A transliteration of the Ukrainian female given name Тетя́на (Tetjána). Tetzcoco A major Acolhua altepetl in the central Mexican plateau region of Mesoamerica. Tetzlaff A surname. Teucer The son of King Telamon and Hesione, who fought in the Trojan War and was renowned for his skill in archery. teucjaponin Synonym of teupolin. Teucri The Teucrians, or ancient Trojans. Teucrian One of the ancient Trojans. teucrin Any of several glycosides obtained from Teucrium fruticans teucrium Any of the genus Teucrium of lamiaceous plants; a germander. Teufel A surname from German. Teufen A municipality in Appenzell Ausserrhoden canton, Switzerland. teugh tough, stubborn Teumessian Of or relating to the town of Teumessus or Teumessos in ancient Boeotia, situated in the plain of Thebes; applied to the Teumessian fox, an enormous fox in Greek mythology that was destined never to be caught. teupolin Any of a group of chemical compounds found in the flowering plant Teucrium polium. Teurian An age from 65 to 55.5 million years ago, a subdivision of the Paleocene. Teuscher A surname. teuthid Any squid of the order Teuthida teuthis A small squid. teuthivorous Feeding on cephalopods. teuthoid Any member of the Teuthoidea group of squids teuthological Relating to teuthology. teuthologist One who studies cephalopods such as octopus, squid, and cuttlefish; a cephalopod scientist teuthology The branch of malacology dealing with cephalopods. Teuthonista A phonetic transcription system used mainly for (High) German dialects, and largely based on the Latin alphabet modified by various diacritics. teuthophagous That feeds on cephalopods teutlose A sugar (of unknown composition) extracted from beetroot Teutolatry The idolization of Germany or the Germans. Teutomaniac Obsessed with Germanic cultures or peoples. Teuton A member of an early Germanic tribe living in Jutland noted in historical writings by Greek and Roman authors. Teutondom The realm or sphere of the Teutons. Teutonic Relating to the ancient Germanic people, the Teutons. Teutonically In a Teutonic manner. Teutonicism A phrase, word or custom peculiar to the Teutons. Teutonicize To make Teutonic.