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 trierarchal Relating to trierarchs or trierarchy. trierarchic Relating to a trierarch or trierarchy. trierarchy A system in Ancient Greece whereby triremes were commanded and maintained by citizens known as trierarchs. trierucate Any compound (especially a glyceride) containing three erucate groups Triesenberg A municipality of Liechtenstein. Trieste A province of the Friuli-Venezia Giulia autonomous region, Italy. triester Any compound containing three ester groups, but especially a triglyceride Triestine Of, from or relating to the city of Trieste, Friuli-Venezia Giulia, Italy. Triestino A native or inhabitant of the city of Trieste, Friuli-Venezia Giulia, Italy. trieteric Synonym of triennal (“related to or characterized by an three-year period”) trieterical Triennial: occurring once in three years. triethanolamine The tertiary amine (HO-CH₂-CH₂)₃N derived from ethanolamine triethiodide Any compound containing three ethiodide groups triethoxy Three ethoxy groups in a compound triethoxysilane The siloxane SiH(OCH₂CH₃)₃ triethoxyvinylsilane Synonym of vinyltriethoxysilane. triethyl Three ethyl groups in a compound triethylaluminium A volatile organometallic compound (Al₂(C₂H₅)₆ or Al₂Et₆) used in various chemical processes and as an ignitor for jet and rocket engines. triethylamine The tertiary amine (CH₃-CH₂)₃N, having many industrial uses. triethylammonium The univalent cation obtained by protonation of triethylamine triethylborane An organometallic compound (formula B(C₂H₅)₃ or Et₃B) used in various chemical processes and as an ignitor for jet and rocket engines. triethylboron Synonym of triethylborane (B(C₂H₅)₃ or Et₃B) triethylene Three ethylene groups in a molecule triethylenediamine The chemical compound 1,4-diazabicyclo[2.2.2]octane, used as a catalyst, especially in making polyurethanes. triethylenemelamine A particular drug used in chemotherapy. triethylenetetramine An oily liquid used as a crosslinker in epoxy curing and in treating Wilson's disease. triethylgallium The organometallic compound, (CH₃CH₂)₃Ga, used in vapour-phase epitaxy for the manufacture of semiconductors triethylsilane The organosilane (CH₃CH₂)₃SiH triethylsilyl a chemical functional group consisting of three ethyl groups attached to a silicon atom with structural formula (CH₃CH₂)₃Si- Trieu A surname from Chinese. Trieux A surname from French triexciton A quantum combination of three excitons triexcitonic Of or pertaining to triexcitons triexponential Having three summed exponential terms. triexponentially In a triexponential manner. trifaceted Having three facets trifacial trigeminal trifactor Involving three factors trifactorial Of or pertaining to three factors. trifallow To plough (land) the third time before sowing. trifan A set of triangles connected at a single point. trifarious Facing three ways; arranged in three vertical ranks, like the leaves of veratrum. trifasciated Having, or surrounded by, three fasciae, or bands. trifascicular Relating to three fascicles, especially those of the heart trife A trivial matter or matters. trifecta A bet in which the bettor must select the first three placegetters of a race in the order in which they finish. trifezolac A nonsteroidal anti-inflammatory drug. triff terrific; wonderful trifficult Of considerable difficulty. triffid A fictional plant, able to move around and kill people with a poisonous stinger triffidian Resembling or relating to triffids ("a fictional plant able to move around and kill people with a poisonous stinger"). triffidlike Resembling or relating to triffids ("a fictional plant able to move around and kill people with a poisonous stinger"). triffis In double mini trampoline, a kind of triple somersault with a twist. trifid Divided into three lobes. trifidate Bifid, divided into two main parts. trifidly In a trifid manner. trifilar Having three wires, threads or filaments. trifine Of insect wings: three-veined. triflagellate Having three flagella triflagellated Having three flagella. triflate Any salt or ester of trifluoromethanesulfonic acid triflation reaction with triflic acid to form a triflate triflavin A particular disintegrin. trifle An English dessert made from a mixture of thick custard, fruit, sponge cake, jelly and whipped cream. trifler One who trifles, or treats something as inconsequential. triflet A petty trifle; something unimportant. triflic Related to trifluoromethanesulfonic acid or its derivatives triflimide The strong Brønsted acid (CF₃SO₂)₂NH trifling Trivial, or of little importance. triflingly In a trifling manner. triflingness The state or quality of being trifling. triflocin A diuretic drug. trifloral Triflorous. triflorate Triflorous. triflorous Having or bearing three flowers or blooms. trifloxystrobin A particular strobilurin fungicide triflubazam A benzodiazepine drug with sedative and anxiolytic effects. triflumezopyrim A mesoionic insecticide 4-oxo-1-(pyrimidin-5-ylmethyl)-3-[3-(trifluoromethyl)phenyl]pyrido[1,2-a]pyrimidin-1-ium-2-olate used to treat rice triflumidate A nonsteroidal anti-inflammatory drug. triflumizole A particular fungicide. triflumuron A particular benzoylurea insecticide. trifluomeprazine A sedative and hypnotic drug. trifluoperazine An antipsychotic drug of the phenothiazine group. trifluoramine nitrogen trifluoride trifluoride any chloride containing three fluorine atoms in each molecule trifluoro Three fluorine atoms in a molecule. trifluoroacetamide The amide of trifluoroacetic acid CF₃CONH₂ trifluoroacetate Any salt or ester of trifluoroacetic acid trifluoroacetic The univalent radical derived from acetic by replacing every hydrogen atom with one of fluorine trifluoroacetoxy Any trifluoro derivative of an acetoxy group trifluoroacetoxylation The addition reaction of a trifluoroacetoxy group trifluoroborate Any anion of general formula R-BF₃⁻; any salt containing such an anion trifluoroethane Either of two isomeric fluorocarbons derived from ethane by replacing three hydrogen atoms by fluorine trifluoroethanol Any of several isomers of an alcohol formally derived from ethanol by replacing three hydrogen atoms by those of fluorine, but especially 2,2,2-trifluoroethanol trifluoroethyl Any trifluoro derivative of an ethyl radical, but especially CF₃CH₂- trifluoroethylamine Any trifluoro derivative of ethylamine trifluoroiodomethane A halomethane with the chemical formula CF₃I trifluoromethane Synonym of methyl fluoride. trifluoromethanesulfonate triflate trifluoromethanesulfonic triflic trifluoromethanesulfonyl A chemical group derived from trifluoromethanesulfonic acid, consisting of a sulfonyl linked to a trifluoromethyl. trifluoromethoxy The univalent radical CF₃O- derived from methoxy trifluoromethyl The univalent radical CF₃- derived from methyl trifluoromethylaminoindane A psychoactive drug and serotonin releasing agent. trifluoromethylaniline An aromatic amine, CF₃C₆H₄NH₂, used in the production of the herbicide fluometuron. trifluoromethylate To modify by means of trifluoromethylation trifluoromethylated Modified by trifluoromethylation trifluoromethylation A chemical reaction that adds a trifluoromethyl group (–CF₃) to an organic molecule, often to improve properties like stability, reactivity, or biological activity. trifluoromethylative That promotes trifluoromethylation trifluoromethylbenzoate A salt or ester of trifluoromethylbenzoic acid. trifluoromethylphenyl Any of three isomeric trifluoromethyl derivatives of the phenyl radical trifluoromethylphenylpiperazine A synthetic psychoactive compound that affects serotonin activity in the brain and has been used recreationally for mood-altering and stimulant-like effects. trifluoromethylseleno The univalent radical CF₃Se- trifluoromethylthio The univalent radical CF₃S- trifluoromethyltrimethylsilane A fluorinated organosilicon reagent used in organic chemistry to transfer a trifluoromethyl group (–CF₃) onto other molecules, especially in the synthesis of pharmaceuticals and fluorinated compounds. It acts as a stable source of reactive CF₃ units during chemical reactions. trifluorophenyl Any trifluoro derivative of a phenyl radical trifluoropropyl Any trifluoro derivative of a propyl radical trifluorothymidine Any trifluoro derivative of a thymidine, but especially any of the trifluridine drugs trifluperidol An antipsychotic drug. triflupromazine A phenothiazine antipsychotic with a high risk of side effects. trifluralin A fluorinated derivative of dinitroaniline, 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)-aniline, used as a herbicide trifluridine An antiherpesvirus drug, used primarily on the eye triflusal A platelet aggregation inhibitor. Trifluvian A resident of Three Rivers (Trois-Rivières) or its surrounding county. Trifluvien A resident of Three Rivers (Trois-Rivières) or its surrounding county. triflux A type of heat exchanger with a three-stage reheat system. triflyl trifluoromethanesulfonyl trifocal Involving three foci. trifocalization The division of the Philippine education system into three distinct levels of governance and management by the Department of Education for basic education, TESDA for technical-vocational education and training, and CHED for higher education. trifocals Spectacles with corrective lenses that have three different powers per eye. trifold threefold trifoliate Having or comprising three leaves, or (loosely) trifoliolate (with three leaflets) or having leaves with three parts, as the clover plant. trifoliated Having three leaves or leaflets; trifoliate. trifoliately In a trifoliate manner. trifolin A chemical compound, the kaempferol 3-galactoside, found in Camptotheca acuminata, Euphorbia condylocarpa, and Consolida oliveriana. trifoliolate Having three leaflets, as some compound leaves do. trifoliolately In a trifoliolate manner. trifolirhizin A pterocarpan found in Sophora flavescens. trifolitoxin A particular bacteriocin produced by the bacterium Rhizobium leguminosarum biovar trifolii. trifolium Any of the genus Trifolium of clovers and trefoils. trifollicular Having or involving three follicles. trifoly Melilot; sweet clover triforce A shape composed of three equilateral triangles arranged in such a manner that a fourth triangle of identical size, but pointing the opposite direction, could fit between them. triforial Relating to the triforium. triforine A particular fungicide. triforium The gallery of arches above the side-aisle vaulting in the nave of a church. triform Having three different forms triformed Having a threefold form. triformin Glycerin triformate, the triester of glycerol and formic acid. triformity The state of being triform, or having three different shapes.