English Words Starting With A

• automatic door

  nounB2
  /ˌɔːtəˈmætɪk dɔː/A door that opens and closes automatically, typically using motion sensors or other sensors, without manual operation.
• automatic exposure

  nounLow-to-Medium (Common in photography/technical contexts, rare in general use)
  /ˌɔːtəˈmætɪk ɪkˈspəʊʒə/A photographic mechanism where the camera automatically sets the aperture, shutter speed, or both to achieve proper exposure without manual intervention from the photographer.
• automatic focus

  nounB2
  /ˌɔːtəˌmætɪk ˈfəʊkəs/A camera feature where the lens adjusts automatically to keep the subject sharp without manual intervention.
• automatic frequency control

  nounC2
  /ˌɔːtəmætɪk ˈfriːkwənsi kənˈtrəʊl/A system or circuit within a device that automatically maintains a specific frequency.
• automatic gain control

  nounC1
  /ˌɔːtəˌmætɪk ˈɡeɪn kənˌtrəʊl/An electronic circuit that automatically adjusts the amplification or volume of a signal to maintain a consistent output level.
• automatic pilot

  nounC1
  /ˌɔːtəˌmætɪk ˈpaɪlət/A system in an aircraft, ship, or vehicle that automatically maintains a set course, altitude, or other navigational parameter without constant human control.
• automatic pistol

  nounLow
  /ˌɔːtəˈmatɪk ˈpɪstl/A handgun that automatically extracts and ejects the spent cartridge case, chambers a new round from its magazine, and is ready to fire again with each pull of the trigger.
• automatic redial

  nounLow-medium
  /ˌɔːtəˌmætɪk ˈriːdaɪəl/A telephone feature that repeatedly tries to call a busy or unanswered number without manual intervention.
• automatic repeat

  nounB2-C1
  /ˌɔːtəˈmætɪk rɪˈpiːt/A function where a device or system replays or retransmits something without requiring manual intervention each time.
• automatic rifle

  nounC1
  /ˌɔːtəˈmætɪk ˈraɪfl̩/A rifle designed to fire bullets continuously while the trigger is depressed, automatically reloading after each shot using energy from the fired cartridge.
• automatic runner

  nounC1
  /ˌɔːtəˈmætɪk ˈrʌnə/A pin or metal bar attached to a sliding part of a machine or device (such as a drawer) that allows it to open and close smoothly.
• automatic speech recognition

  nounC1
  /ˌɔːtəˌmætɪk ˈspiːtʃ ˌrekəɡˈnɪʃən/Technology that enables computers to understand and process human speech.
• automatic tracking

  nounC1
  /ˌɔːtəˈmætɪk ˈtrækɪŋ/The process of following and recording something (e.g., movement, data) without human intervention, using self-operating technology.
• automatic transmission

  nounB2
  /ˌɔːtəˌmætɪk trænzˈmɪʃən/A type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually.
• automatic vending

  nounC1
  /ˌɔːtəˌmætɪk ˈvendɪŋ/The business or process of selling goods through self-service machines that operate automatically when money is inserted.
• automatic writing

  nounC2
  /ˌɔːtəˈmætɪk ˈraɪtɪŋ/A method of writing said to be produced by a spiritual, subconscious, or supernatural force, with the writer's conscious mind having little or no control over the process.
• automaticity

  nounC1/C2
  /ˌɔːtəməˈtɪsɪti/The quality or state of being automatic; functioning or occurring involuntarily or spontaneously, without conscious thought.
• automation

  nounC1
  /ˌɔːtəˈmeɪʃ(ə)n/The use or introduction of automatic equipment, processes, or systems to perform tasks without human intervention.
• automatism

  nounC1
  /ɔːˈtɒmətɪz(ə)m/A movement or action performed unconsciously or involuntarily, without conscious thought or intention.
• automatize

  verbverb-transitiveC2 / Academic / Technical
  /ɔːˈtɒm.ə.taɪz/To make a process or action operate automatically, without human intervention.

Showing 8321–8340 of 8734 words.