Auto (noun) Definition, Meaning & Examples

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noun, plural au·tos.
  1. automobile.
adjective
  1. of or relating to automobiles: an auto salesman; auto detailing.
  1. a combining form meaning “self,” “same,” “spontaneous,” used in the formation of compound words: autograph, autodidact.
  1. a combining form representing automobile in compound words: autocade.
  1. a combining form representing automatic in compound words: autoalarm; autofeed; autofocus. Sometimes also taken as an adjective: auto enlarger; auto stop control; auto dialer.
abbreviation
  1. automatic.
  2. automobile.
  3. automotive.
noun plural -tos US and Canadian informal
  2. Indian informal short for autorickshaw
combining form
  1. self; same; of or by the same one
  2. acting from or occurring within; self-caused
  3. self-propelling; automatic
    Auto (noun) Definition, Meaning & Examples

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