automatic

/,ɔ:tə'mætik/ Cách viết khác : (automatical) /,ɔ:tə'mætikəl/
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automatic

The automatic doors slid open as the family approached the supermarket entrance.

Definition
  1. Adjective:

    • Operating by itself with little or no direct human control: Describes a device, process, or system that functions independently once started.
    • Done or occurring spontaneously, without conscious thought or intention: Refers to actions that are mechanical, instinctive, or performed as a reflex.
    • (Of a firearm) able to load and fire continuously while the trigger is pressed: Pertaining to a gun that fires repeatedly with a single trigger pull.
  2. Noun:

    • A machine or device that operates automatically: Such as an automatic transmission in a vehicle.
    • An automatic firearm: A gun that can fire bullets repeatedly with one continuous pull of the trigger.
Examples
  • Adjective:
    • The building has automatic doors that open when you approach.
    • Breathing is an automatic bodily function.
    • He gave an automatic reply without really listening to the question.
  • Noun:
    • My car has an automatic, so I don't need to shift gears.
    • The soldier was equipped with an automatic.
Advanced Usage
  • On automatic pilot: Functioning mechanically or without active thought due to habit or routine.
    • After years in the job, I can do the morning routine on automatic pilot.
  • Automatic response/reaction: An immediate, unthinking reaction to a stimulus.
    • Flinching from a loud noise is an automatic response.
Variants and Related Words
  • Automatically (adverb): In an automatic manner.
    • The lights turn on automatically at dusk.
  • Automation (noun): The use of automatic equipment or processes.
    • The factory increased production through automation.
  • Automate (verb): To convert a process or facility to be operated automatically.
    • The company plans to automate its assembly line.
Synonyms
  • Mechanical: Performed or performing in a machinelike manner.
  • Instinctive: Relating to or prompted by instinct; not learned.
  • Self-acting: Operating independently; automatic.
  • Reflex: An action performed without conscious thought as a response to a stimulus.
Related Phrases
  • Fully automatic: (Of a firearm) Capable of continuous fire with one trigger pull until ammunition is exhausted.
  • Semi-automatic: (Of a firearm) Firing one round per trigger pull and automatically reloading for the next shot.
  • Automatic teller machine (ATM): An electronic banking outlet for cash withdrawals and other basic transactions.
Related Idioms
  • It's automatic: Used to say something is certain to happen or be the case.
    • If you break the rules, a penalty is automatic.
automatic

The automatic doors slid open as the family approached the supermarket entrance.

Adjective
  1. without volition or conscious control
    • the automatic shrinking of the pupils of the eye in strong light
    • a reflex knee jerk
    • sneezing is reflexive
  2. resembling the unthinking functioning of a machine
    • an automatic `thank you'
    • machinelike efficiency
  3. operating with minimal human intervention; independent of external control
    • automatic transmission
    • a budget deficit that caused automatic spending cuts
Noun
  1. a pistol that will keep firing until the ammunition is gone or the trigger is released
  2. light machine gun