English Words Starting With C

• cyclogenesis

  nounRare
  /ˌsaɪ.kləʊˈdʒen.ə.sɪs/The process of development or intensification of a cyclone in the atmosphere.
• cyclogiro

  nounExtremely Rare
  /ˌsaɪklə(ʊ)ˈdʒaɪrəʊ/A type of aircraft that uses rotating wing blades mounted on a horizontal axis to generate lift and thrust.
• cyclograph

  nounLow
  /ˈsaɪ.kləʊ.ɡrɑːf/An instrument for recording circular or rotational motion, or a device for drawing arcs or circles.
• cyclohexane

  nounVery Low
  /ˌsaɪkləʊˈhɛkseɪn/A colourless, volatile liquid hydrocarbon (C6H12) with a ring-shaped molecule consisting of six carbon atoms bonded in a saturated hexagonal ring.
• cyclohexanone

  nounVery Low
  /ˌsaɪkləʊˈhɛksənəʊn/A cyclic ketone with the formula C₆H₁₀O, consisting of a six-carbon ring with one carbonyl group.
• cycloheximide

  nounLow (Specialist)
  /ˌsʌɪklə(ʊ)ˈhɛksɪmʌɪd/An antibiotic and fungicide produced by bacteria of the genus Streptomyces, which inhibits protein synthesis in eukaryotic organisms.
• cyclohexylamine

  nounVery Low
  /ˌsʌɪklə(ʊ)ˈhɛksɪləˌmiːn/A saturated cyclic organic compound consisting of a six-carbon ring (cyclohexyl) with an amine (NH₂) functional group attached.
• cyclohexylsulfamic acid

  nounC2
  /ˌsaɪkləʊˌhɛksɪlsʌlˈfæmɪk ˈæsɪd/A synthetic chemical compound (C6H11NHSO3H) primarily known as the base molecule for sodium cyclamate, a non-nutritive artificial sweetener.
• cycloid

  adjectivenounC2
  /ˈsʌɪklɔɪd/A curve traced by a point on the circumference of a circle rolling along a straight line.
• cycloidal propulsion

  nounC2+ / Extremely Rare / Technical
  /ˌsʌɪˈklɔɪd(ə)l prəˈpʌlʃ(ə)n/A method of marine propulsion using rotating, vertically-mounted blades that move in a cycloid (circular) path to generate thrust.
• cyclolysis

  nounVery Low
  /saɪˈklɒlɪsɪs/The weakening or dissipation of a cyclonic storm system.
• cyclometer

  nounRare
  /saɪˈklɒm.ɪ.tər/A mechanical or electronic device attached to a bicycle that measures and displays the distance traveled.
• cyclone

  adjectivenounB2
  /ˈsaɪ.kləʊn/A violent, rotating windstorm forming over tropical oceans, characterized by a low-pressure center and strong winds.
• cyclone cellar

  nounLow
  /ˈsʌɪkləʊn ˈsɛlə/An underground shelter, often built near a house, for protection from violent storms and tornadoes.
• cyclone furnace

  nounC2 / Very Low Frequency
  /ˈsaɪ.kləʊn ˈfɜː.nɪs/A large industrial furnace that uses a vortex of high-pressure air to burn fuel (often coal or waste) extremely efficiently.
• cyclonite

  nounVery Low
  /ˈsaɪklənaɪt/A powerful, non-hygroscopic, secondary high explosive.
• cyclooctatetraene

  nounC2
  /ˌsaɪ.kləʊˌɒk.təˈtet.rə.iːn/A chemical compound with the formula C8H8, consisting of an eight-membered carbon ring with alternating single and double bonds.
• cycloolefin

  nounC2
  /ˌsaɪkləʊˈəʊlɪfɪn/An organic chemical compound containing a ring structure with at least one carbon-carbon double bond within the ring.
• cycloparaffin

  nounC2
  /ˌsaɪkləʊˈpærəfɪn/A type of saturated hydrocarbon where the carbon atoms are arranged in a ring structure, not a chain.
• cyclopean concrete

  nounC2 / Very Low
  /ˌsaɪ.kləʊˈpiː.ən ˈkɒŋ.kriːt/A building material made of cement mixed with large, irregular stones.

Showing 13521–13540 of 13732 words.