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autopilot

/ˈɔtoʊˌpaɪlət/
IPA guide

Other forms: autopilots

Autopilot is a system that controls the course of an airplane or ship. If the captain of a ship is using autopilot, she can take a break from manning the controls herself.

When a plane is on autopilot, it's not exactly flying itself, but it's set to maintain a course or altitude while the pilot concentrates on other details of operating the airplane. Autopilot is short for automatic pilot, and the first such system for aircraft was invented in 1912. The nickname came later, in the 1930s. The slang meaning of autopilot is "out of habit," as when a sleep deprived worker goes through his whole day on autopilot.

Definitions of autopilot
  1. noun
    a navigational device that automatically keeps ships or planes or spacecraft on a steady course
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    type of:
    device
    an instrumentality invented for a particular purpose
  2. noun
    a cognitive state in which you act without self-awareness
    “she talked and he dozed and my mind went on autopilot
    synonyms: automatic pilot
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    type of:
    unconsciousness
    a state lacking normal awareness of the self or environment
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