English Words Starting With D

• dynamic psychology

  nounLow
  /dʌɪˈnæmɪk sʌɪˈkɒlədʒi/An approach to psychology focusing on internal forces, drives, and conflicts (often unconscious) that motivate behavior and shape personality, particularly associated with Freudian and psychoanalytic traditions.
• dynamic range

  nounB2-C1
  /daɪˌnæm.ɪk ˈreɪndʒ/The difference between the loudest and quietest parts of an audio signal or between the brightest and darkest parts of an image.
• dynamic similarity

  nounTechnical/Low
  /daɪˌnæm.ɪk ˌsɪm.əˈlær.ə.ti/A relationship or analogy between two systems or situations where they share the same proportional relationships between forces or governing laws, allowing one to be used as a model for the other.
• dynamic spatial reconstructor

  nounVery low (Rare/Technical)
  /daɪˌnæm.ɪk ˈspeɪ.ʃəl ˌriː.kənˈstrʌk.tər/A specialized medical imaging system that creates three-dimensional models of internal organs from two-dimensional X-ray scans taken from multiple angles.
• dynamic strength

  nounC1
  /daɪˌnæm.ɪk ˈstreŋθ/The maximum force a muscle or muscle group can exert during a movement against resistance.
• dynamics

  nounC1
  /daɪˈnæm.ɪks/The study of forces in motion and the resulting changes they produce; or, the way different parts of a system interact to create a whole process.
• dynamism

  nounC1
  /ˈdaɪ.nə.mɪ.zəm/the quality of being energetic, active, full of new ideas and determination to succeed
• dynamite

  adjectivenounverbverb-transitiveB2
  /ˈdaɪ.nə.maɪt/A high explosive consisting of nitroglycerin absorbed in a porous material such as kieselguhr, often packaged in sticks.
• dynamize

  verb-transitiveC1/C2 (Very Low Frequency)
  /ˈdaɪ.nə.maɪz/To make something more active, energetic, or effective.
• dynamo

  nounC1
  /ˈdaɪ.nə.məʊ/A device that converts mechanical energy into electrical energy, typically using rotating coils and a magnetic field; a generator producing direct current.
• dynamogenesis

  nounVery Low
  /ˌdaɪnəmə(ʊ)ˈdʒɛnɪsɪs/The origination or production of power, force, or physiological activity (especially in neurology/psychology).
• dynamometer

  nounC2 (Very Low Frequency / Technical Term)
  /ˌdaɪ.nəˈmɒm.ɪ.tər/A device for measuring mechanical force or power, especially the output power of an engine.
• dynamometer car

  nounVery Low (C2+)
  /ˌdaɪ.nəˈmɒm.ɪ.tə ˌkɑː(r)/A railway car equipped with a dynamometer and instrumentation to measure the performance of a locomotive (e.g., tractive effort, power output, speed).
• dynamometry

  nounC1
  /ˌdaɪ.nəˈmɒm.ɪ.tri/The measurement of force or power, especially muscular strength.
• dynamotor

  nounVery Rare / Technical
  /ˈdaɪ.nəˌməʊ.tə(r)/A rotary electrical machine that combines both a motor and a generator within a single housing, sharing a common magnetic field.
• dynast

  nounC2 (Very low frequency, literary/historical)
  /ˈdɪnəst/A ruler, especially a hereditary one.
• dynastid

  nounRare
  /ˈdʌɪnəstɪd/A beetle belonging to the family Dynastidae (or subfamily Dynastinae within the Scarabaeidae), commonly known as rhinoceros beetles, characterized by large size and prominent horns in males.
• dynasty

  nounC1
  /ˈdɪn.ə.sti/A succession of rulers from the same family or line, ruling a country or empire over a significant period of time.
• dynatron

  nounC2
  /ˈdaɪnətrɒn/A type of thermionic electron tube (vacuum tube) exhibiting a negative resistance characteristic, used historically in electronic oscillators.
• dynatron oscillator

  nounC2
  /ˈdaɪ.nə.trɒn ˈɒ.sɪ.leɪ.tə/A type of electronic oscillator circuit that uses a tetrode vacuum tube operating with a negative resistance characteristic.

Showing 7081–7100 of 7181 words.