English Words Starting With V

• voltaic cell

  nounC2
  /vɒlˈteɪ.ɪk sel/A simple device that produces electricity through a spontaneous chemical reaction between two different metals (or a metal and carbon) immersed in an electrolyte.
• voltaic couple

  nounLow
  /vɒlˈteɪ.ɪk ˈkʌp.əl/Two different metals in electrical contact, generating an electric current through a chemical reaction.
• voltaic electricity

  nounRare
  /vɒlˈteɪ.ɪk ɪˌlɛkˈtrɪs.ɪ.ti/Electricity produced by chemical action; direct current electricity generated from a chemical cell or battery.
• voltaic pile

  nounVery Low
  /vɒlˌteɪ.ɪk ˈpaɪl/An early form of electric battery consisting of alternating discs of zinc and copper (or silver) separated by cloth or cardboard soaked in brine, invented by Alessandro Volta.
• voltaire

  nounC1/C2
  /vɒlˈtɛː/The pen name of François-Marie Arouet (1694–1778), a French Enlightenment writer, historian, philosopher, and famous wit, known for his advocacy of freedom of speech, religion, and separation of church and state.
• voltaism

  nounVery Low
  /ˈvɒlteɪɪz(ə)m/The branch of science concerned with electricity produced by chemical action, particularly from galvanic cells.
• voltameter

  nounVery Low / Technical
  /vɒlˈtæm.ɪ.tə/A scientific instrument used for measuring the quantity of electricity passed through a circuit, especially by quantifying the chemical effect (like electrolytic decomposition) it produces.
• voltammeter

  nounRare
  /vəʊlˈtæmɪtə/An instrument that combines the functions of a voltmeter and an ammeter, used to measure both electrical potential difference (voltage) and electric current.
• volte

  nounC2
  /vɒlt/An archaic term meaning a sudden change of direction, viewpoint, or policy; a turning point or reversal.
• volte-face

  nounLow-Frequency
  /ˌvɒlt ˈfɑːs/A sudden and complete reversal of opinion, policy, or allegiance; an about-face.
• volti

  verbC1
  /ˈvɒlti/A musical direction (Italian), found at the bottom of a page in sheet music, instructing the performer to turn the page quickly.
• voltmeter

  nounC1-C2 / Technical
  /ˈvəʊltˌmiːtə(r)/A device for measuring electric potential difference (voltage) between two points in an electric circuit.
• volturno

  nounC2
  /vɒlˈtɜː.nəʊ/The name of a significant river in southern Italy, often used metaphorically to represent a source of life, power, or a formidable natural force.
• volturnus

  nounC2 (Obscure/Archaic)
  /vɒlˈtɜː.nəs/A Roman god of the east wind or of water, specifically the Volturno River in Italy.
• volubility

  nounC2
  /ˌvɒljʊˈbɪlɪti/The quality of talking fluently, readily, or at length; talkativeness.
• volume

  nounB1
  /ˈvɒl.juːm/The amount of space a three-dimensional object occupies or contains; loudness or intensity of sound.
• volume unit

  nounMedium
  /ˈvɒl.juːm ˌjuː.nɪt/A standard quantity or measure used to express how much three-dimensional space a substance occupies.
• volume velocity

  nounC1/C2 (specialised)
  /ˈvɒl.juːm vɪˈlɒs.ə.ti/A technical measurement of the rate of flow or movement of a fluid, often expressed as volume per unit time (e.g., cubic metres per second).
• volumeter

  nounC1
  /vɒˈljuːmɪtə/An instrument for measuring the volume of a liquid, solid, or gas.
• volumetric analysis

  nounC2
  /ˌvɒl.jʊˈmet.rɪk əˈnæl.ə.sɪs/A quantitative chemical analysis technique where the concentration of a substance in a solution is determined by measuring the volume of a reagent of known concentration required to react completely with it.

Showing 2001–2020 of 2200 words.