English Words Starting With A

• autogenesis

  nounC2
  /ˌɔːtə(ʊ)ˈdʒɛnɪsɪs/The supposed production of living organisms from non-living matter; spontaneous generation.
• autogenic training

  nounLow
  /ˌɔːtəʊˈdʒɛnɪk ˈtreɪnɪŋ/A relaxation technique involving self-suggestion to induce a state of deep calm, originally developed by psychiatrist Johannes Heinrich Schultz.
• autogiro

  nounRare
  /ˌɔːtəʊˈdʒaɪrəʊ/An aircraft with an unpowered rotor that spins freely due to air flow, providing lift, and a separate propeller for forward propulsion.
• autogolpe

  nounC2
  /ˈɔːtəʊˌɡɒlpeɪ/A 'self-coup' in which a sitting head of government, having come to power legally, subsequently seizes absolute power, suspending the constitution and dissolving democratic institutions to rule by decree.
• autograft

  nounRare/Technical
  /ˈɔːtəʊˌɡrɑːft/A surgical graft of tissue taken from one part of a patient's body and transplanted to another part of the same patient.
• autograph

  adjectivenounverbverb-transitiveB2
  /ˈɔːtəɡrɑːf/A person's handwritten signature, especially that of a famous person, often collected as a souvenir.
• autography

  nounC2
  /ɔːˈtɒɡrəfi/The action or process of writing something oneself.
• autoharp

  nounLow Frequency
  /ˈɔː.təʊ.hɑːp/A stringed musical instrument shaped like a zither, equipped with buttons that, when pressed, mute certain strings to produce chords.
• autohypnosis

  nounLow
  /ˌɔːtəʊhɪpˈnəʊsɪs/The process of hypnotising oneself, achieving a hypnotic state without the direct intervention of another person.
• autoignition

  nounC1
  /ˌɔːtəʊɪɡˈnɪʃ(ə)n/The spontaneous ignition of a flammable substance (typically a fuel-air mixture) without an external ignition source, caused by temperature reaching its autoignition point.
• autoignition point

  nounLow (Specialist Technical)
  /ˌɔː.təʊ.ɪɡˈnɪʃ.ən pɔɪnt/The lowest temperature at which a substance spontaneously ignites in air without an external ignition source like a spark or flame.
• autoimmune disease

  nounC1
  /ˌɔː.təʊ.ɪˈmjuːn dɪˌziːz/A condition in which the body's immune system mistakenly attacks its own healthy cells and tissues.
• autoimmunization

  nounC2 (Proficient)
  /ˌɔːtəʊˌɪmjuːnaɪˈzeɪʃ(ə)n/The process by which an organism develops an immune response against its own tissues and cells.
• autoinfection

  nounVery Low
  /ˌɔːtəʊɪnˈfekʃən/The process by which an organism becomes infected by its own pathogens or parasites, typically when they are transferred from one part of the body to another.
• autoinoculation

  nounC2 (Very low frequency; highly specialized)
  /ˌɔː.təʊ.ɪˌnɒk.jʊˈleɪ.ʃən/The act or process of transferring or implanting material (e.g., pathogens, cells, a vaccine) from one part of an individual's own body to another part.
• autointoxication

  nounRare
  /ˌɔː.təʊ.ɪnˌtɒk.sɪˈkeɪ.ʃən/A condition where the body is poisoned by substances produced within itself.
• autoionization

  nounVery Low
  /ˌɔːtəʊˌaɪənaɪˈzeɪʃən/A process in which an atom or molecule spontaneously loses an electron without external influence, forming an ion.
• autoist

  nounVery low / archaic
  /ˈɔːtəʊɪst/A person who drives an automobile; a motorist.
• autojumble

  nounLow
  /ˈɔːtəʊˌdʒʌmbl/An event or market where parts for old or classic cars are bought, sold, and traded.
• autokinesis

  nounVery low (C2+)
  /ˌɔːtəʊkɪˈniːsɪs/The perception of apparent movement in a stationary object, especially a point of light in a dark environment.

Showing 8281–8300 of 8734 words.