English Words Starting With T

• trireme

  nounC2 (Very Low Frequency)
  /ˈtraɪ.riːm/An ancient warship with three banks of oars on each side, used primarily by ancient Greeks, Phoenicians, and Romans.
• trisaccharide

  nounVery low
  /traɪˈsækəˌraɪd/A carbohydrate consisting of three linked monosaccharide units.
• trisect

  verbverb-transitiveC1
  /traɪˈsɛkt/To divide into three equal parts.
• trishaw

  nounLow (especially outside regions where they are common)
  /ˈtraɪ.ʃɔː/A small three-wheeled passenger vehicle for hire, powered by pedalling.
• triskaidekaphobia

  nounLow
  /ˌtrɪskaɪˌdɛkəˈfəʊbiə/Fear of the number thirteen.
• triskelion

  nounVery Low
  /trɪˈskɛlɪən/A symbol consisting of three bent or curved legs or arms radiating from a common centre.
• trismegistus

  nounExtremely low / Obscure
  /ˌtrɪzmɪˈdʒɪstəs/An epithet meaning "thrice-greatest," used primarily as part of the proper name Hermes Trismegistus.
• trismus

  nounRare
  /ˈtrɪzməs/A sustained involuntary spasm of the jaw muscles, causing the mouth to remain tightly closed.
• trisoctahedron

  nounVery Low
  /ˌtrɪsˌɒktəˈhiːdrən/A solid figure or crystal form with twenty-four identical triangular faces, constituting an isometric solid.
• trisodium phosphate

  nounRare
  /traɪˌsəʊ.di.əm ˈfɒs.feɪt/A white, crystalline chemical compound (Na3PO4) used as a cleaning agent, food additive, and water softener.
• trisome

  nounVery Low / Technical
  /ˈtraɪ.səʊm/A chromosome complement where one chromosome is present in three copies, instead of the normal two (i.e., trisomy).
• trisomy

  nounLow
  /ˈtrʌɪsəmi/A genetic condition where an individual has three copies of a chromosome instead of the usual two.
• trisomy 13

  nounLow
  /ˌtraɪ.sə.mi ˈθɜː.tiːn/A genetic disorder caused by the presence of an extra chromosome 13.
• trispast

  nounExtremely rare / Archaic
  /ˈtrɪspæst/A historical term for a machine with three pulleys, used for lifting heavy weights; a type of compound pulley system.
• tristan

  nounLow
  /ˈtrɪstən/A masculine given name, or the legendary hero from medieval romance known for his tragic love story with Isolde.
• tristan da cunha

  nounRare
  /ˌtrɪstən də ˈkuːnjə/A remote group of volcanic islands in the South Atlantic Ocean, which is the most remote inhabited archipelago in the world.
• tristan und isolde

  nounRare
  /ˌtrɪstən ʊnd ɪˈzɒldə/A medieval romance and legend about the tragic love between a Cornish knight (Tristan) and an Irish princess (Isolde), popularised through Wagner's opera.
• tristearin

  nounVery low (specialist)
  /traɪˈstɪərɪn/A specific chemical substance: the triglyceride formed from three molecules of stearic acid.
• tristeza

  nounLow
  /trɪˈstɛzə/A state of sadness or melancholy, often with poetic or cultural connotations, borrowed from Spanish and Portuguese.
• tristich

  nounVery Rare
  /ˈtrɪstɪk/A unit or stanza of three lines in poetry.

Showing 5881–5900 of 7190 words.