English Words Starting With T

• tropical disturbance

  nounLow
  /ˈtrɒp.ɪ.kəl dɪˈstɜː.bəns/A meteorological area of unsettled weather in the tropics, with some organized thunderstorm activity and weak circulation; the first developmental stage of a potential tropical cyclone.
• tropical fish

  nounmid-frequency
  /ˈtrɒpɪkəl fɪʃ/Fish species native to tropical regions, commonly kept in aquariums.
• tropical medicine

  nounLow
  /ˈtrɒpɪkəl ˈmɛds(ə)n/The branch of medicine concerned with the health problems and diseases occurring in tropical and subtropical regions.
• tropical storm

  nounmedium
  /ˌtrɒp.ɪ.kəl ˈstɔːm/A low-pressure weather system with organized thunderstorms and sustained wind speeds of 39 to 73 mph (63 to 118 km/h), originating over tropical or subtropical waters.
• tropical year

  nounlow
  /ˈtrɒpɪkəl jɪə/The period of time for the Earth to complete one orbit around the Sun, measured from one vernal equinox to the next, approximately 365.2422 days.
• tropicalize

  verbverb-transitiveLow
  /ˈtrɒpɪkəlaɪz/To adapt or modify something to function effectively in tropical conditions, such as high heat and humidity.
• tropicbird

  nounLow
  /ˈtrɒpɪkˌbɜːd/A seabird of the family Phaethontidae, characterized by long central tail feathers and found in tropical oceans.
• tropine

  nounVery low
  /ˈtrəʊpiːn/A crystalline alkaloid derived from atropine or produced synthetically, used in the manufacture of other pharmaceuticals.
• tropism

  nounC2
  /ˈtrəʊpɪz(ə)m/The turning, bending, or directional growth of an organism (especially a plant) in response to an external stimulus such as light, gravity, or touch.
• tropology

  nounrare
  /trəˈpɒlədʒi/The study or use of tropes, especially in rhetoric and literature.
• troponin

  nounLow (Specialist/Technical)
  /ˈtrɒpənɪn/A complex of three regulatory proteins (troponin C, I, and T) found on the thin filaments of skeletal and cardiac muscle fibers, essential for the calcium-dependent regulation of muscle contraction.
• troponin i

  nounLow (Specialist/Technical)
  /ˌtrɒpənɪn ˈaɪ/A specific regulatory protein that is part of the troponin complex in cardiac and skeletal muscle; it inhibits actomyosin ATPase activity, thereby regulating muscle contraction. Specifically, it binds to actin in thin myofilaments.
• tropopause

  nounC2 - Technical/Professional
  /ˈtrɒp.ə.pɔːz/The boundary in the Earth's atmosphere between the troposphere (where weather occurs) and the stratosphere, characterized by a stop in the decrease of temperature with height.
• tropophyte

  nounVery low
  /ˈtrɒpəfaɪt/A plant adapted to survive alternating wet and dry seasons.
• troposphere

  nounlow
  /ˈtrɒp.ə.sfɪə/The lowest layer of Earth's atmosphere, extending from the surface to about 10-15 kilometers, where most weather phenomena occur.
• tropospheric scatter

  nounVery Low
  /ˌtrɒp.əˈsfer.ɪk ˈskæt.ər/A specific long-range communication technology that transmits UHF/VHF radio signals by exploiting the scattering of radio waves in the lower atmosphere (troposphere).
• tropotaxis

  nounVery Low
  /ˌtrɒpəˈtæksɪs/A type of animal navigation in which the direction of movement is determined by comparing the intensity of a stimulus (like light or scent) on two or more paired, spatially separated receptors.
• trossachs

  nounLow
  /ˈtrɒsəks/A scenic wooded valley in the Stirling council area of Scotland, known for its natural beauty.
• trot

  nounverbverb-intransitiveverb-transitiveB2
  /trɒt/A brisk, steady, two-beat gait of a four-legged animal (especially a horse), faster than a walk but slower than a canter or gallop, where diagonal pairs of legs move together.
• trot out

  verbB2
  /ˌtrɒt ˈaʊt/To bring forward or present something for consideration, often in a habitual, predictable, or unoriginal way.

Showing 6041–6060 of 7190 words.