| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| trialogue | noun | A discourse or colloquy by three persons. |
| triandria | noun pl. | A Linnaean class of plants having three distinct and equal stamens. |
| triangled | adjective | Having three angles; triangular. |
| triatomic | adjective | Having three atoms; — said of certain elements or radicals., Having a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, and tartronic acid are each triatomic. |
| tribalism | noun | The state of existing in tribes; also, tribal feeling; tribal prejudice or exclusiveness; tribal peculiarities or characteristics. |
| tribunary | adjective | Of or pertaining to tribunes; as, tribunary powers or authority. |
| tribunate | noun | The state or office of a tribune; tribuneship. |
| tributary | adjective | Paying tribute to another, either from compulsion, as an acknowledgment of submission, or to secure protection, or for the purpose of purchasing peace., Hence, subject; subordinate; inferior., Paid in tribute., Yielding supplies of any kind; serving to form or make up, a greater object of the same kind, as a part, branch, etc.; contributing; as, the Ohio has many tributary streams, and is itself tributary to the Mississippi., A ruler or state that pays tribute, or a stated sum, to a conquering power, for the purpose of securing peace and protection, or as an acknowledgment of submission, or for the purchase of security., A stream or river flowing into a larger river or into a lake; an affluent. |
| tributing | present participle & vb. noun | of Tribute |
| trichinae | plural | of Trichina |
| trichroic | adjective | Exhibiting trichroism; pleochroic; pleochroism. |
| trickling | present participle & vb. noun | of Trickle |
| trickment | noun | Decoration. |
| trickster | noun | One who tricks; a deceiver; a tricker; a cheat. |
| triclinic | adjective | Having, or characterized by, three unequal axes intersecting at oblique angles. See the Note under crystallization. |
| triclinia | plural | of Triclinium |
| tricrotic | adjective | Of or pertaining to tricrotism; characterized by tricrotism. |
| tricuspid | adjective | Having three cusps, or points; tricuspidate; as, a tricuspid molar., Of or pertaining to the tricuspid valves; as, tricuspid obstruction. |
| tridactyl | adjective | Alt. of Tridactyle |
| tridecane | noun | A hydrocarbon, C13H28, of the methane series, which is a probable ingredient both of crude petroleum and of kerosene, and is produced artificially as a light colorless liquid. |
| tridented | adjective | Having three prongs; trident; tridentate; as, a tridented mace. |
| tridymite | noun | Pure silica, like quartz, but crystallizing in hexagonal tables. It is found in trachyte and similar rocks. |
| triennial | adjective | Continuing three years; as, triennial parliaments; a triennial reign., Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation., Something which takes place or appears once in three years. |
| trierarch | noun | The commander of a trireme., At Athens, one who (singly, or jointly with other citizens) had to fit out a trireme for the public service. |
| trifacial | adjective | See Trigeminal. |
| trifallow | verb t. | To plow the third time before sowing, as land. |
| trifloral | adjective | Alt. of Triflorous |
| trifolium | noun | A genus of leguminous herbs with densely spiked flowers and usually trifoliate leaves; trefoil. There are many species, all of which are called clover. See Clover. |
| triforium | noun | The gallery or open space between the vaulting and the roof of the aisles of a church, often forming a rich arcade in the interior of the church, above the nave arches and below the clearstory windows. |
| trigamist | noun | One who has been married three times; also, one who has three husbands or three wives at the same time. |
| trigamous | adjective | Having three sorts of flowers in the same head, — male, female, and hermaphrodite, or perfect, flowers. |
| trigintal | noun | A trental. |
| trigonous | adjective | Same as Trigonal. |
| trigynian | adjective | Alt. of Trigynous |
| trigynous | adjective | Having three pistils or styles; of or pertaining to the Trigynia. |
| trihedral | adjective | Having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles. |
| trihedron | noun | A figure having three sides. |
| trijugate | adjective | In three pairs; as, a trijugate leaf, or a pinnate leaf with three pairs of leaflets. |
| trijugous | adjective | Same as Trijugate. |
| trikosane | noun | A hydrocarbon, C23H48, of the methane series, resembling paraffin; — so called because it has twenty-three atoms of carbon in the molecule. |
| trilinear | adjective | Of, pertaining to, or included by, three lines; as, trilinear coordinates. |
| trilithic | adjective | Pertaining to a trilith. |
| trilithon | noun | A monument consisting of three stones; especially, such a monument forming a kind of doorway, as among the ancient Celts. |
| trilobate | adjective | Having three lobes. |
| trilobita | noun pl. | An extinct order of arthropods comprising the trilobites. |
| trilobite | noun | Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment. |
| trimellic | adjective | Of, pertaining to, or designating, a certain tribasic acid (called also trimellitic acid) metameric with trimesitic acid. |
| trimerous | adjective | Having the parts in threes. |
| trimester | noun | A term or period of three months. |
| trimethyl | A prefix or combining form (also used adjectively) indicating the presence of three methyl groups. | |
| trimetric | adjective | Same as Orthorhombic. |
| trinerved | adjective | Same as Trinervate. |
| trinketer | noun | One who trinkets. |
| trinketry | noun | Ornaments of dress; trinkets, collectively. |
| trinomial | noun | A quantity consisting of three terms, connected by the sign + or -; as, x + y + z, or ax + 2b – c2., Consisting of three terms; of or pertaining to trinomials; as, a trinomial root. |
| triobolar | adjective | Alt. of Triobolary |
| trioctile | noun | An aspect of two planets with regard to the earth when they are three octants, or three eighths of a circle, that is, 135 degrees, distant from each other. |
| tri/cious | adjective | Having three sorts of flowers on the same or on different plants, some of the flowers being staminate, others pistillate, and others both staminate and pistillate; belonging to the order Tri/cia. |
| triparted | adjective | Parted into three piece; having three parts or pieces; — said of the field or of a bearing; as, a cross triparted., Divided nearly to the base into three segments or lobes. |
| tripmadam | noun | Same as Prickmadam. |
| tripodian | noun | An ancient stringed instrument; — so called because, in form, it resembled the Delphic tripod. |
| tripoline | adjective | Of or pertaining to Tripoli or its inhabitants; Tripolitan., Of or pertaining to tripoli, the mineral. |
| triquetra | plural | of Triquetrum |
| trisagion | noun | An ancient anthem, — usually known by its Latin name tersanctus.See Tersanctus. |
| trisected | imp. & past participle | of Trisect, Divided into three parts or segments by incisions extending to the midrib or to the base; — said of leaves. |
| triserial | adjective | Alt. of Triseriate |
| tritheism | noun | The opinion or doctrine that the Father, Son, and Holy Spirit are three distinct Gods. |
| tritheist | noun | One who believes in tritheism. |
| tritheite | noun | A tritheist. |
| tritorium | noun | Same as Triturium. |
| triturate | verb t. | To rub, grind, bruise, or thrash., To rub or grind to a very fine or impalpable powder; to pulverize and comminute thoroughly. |
| triturium | noun | A vessel for separating liquids of different densities. |
| tritylene | noun | Propylene. |
| triumphed | imp. & past participle | of Triumph |
| triumphal | adjective | Of or pertaining to triumph; used in a triumph; indicating, or in honor of, a triumph or victory; as, a triumphal crown; a triumphal arch., A token of victory. |
| triumpher | noun | One who was honored with a triumph; a victor., One who triumphs or rejoices for victory. |
| triumviri | plural | of Triumvir |
| triumvirs | plural | of Triumvir |
| triumviry | noun | A triumvirate. |
| triunguli | plural | of Triungulus |
| trivalent | adjective | Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; — said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia. |
| trivially | adverb | In a trivial manner. |
| triweekly | adjective | Occurring or appearing three times a week; thriceweekly; as, a triweekly newspaper., Three times a week., A triweekly publication. |