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automatic pilot

noun
1.
Aeronautics. an airborne electronic control system that automatically maintains a preset heading and attitude.
Idioms
2.
on automatic pilot, functioning in an unthinking or reflexive manner.
Origin
1915-1920
1915-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for automatic-pilot

automatic pilot

noun
1.
Also called autopilot. a device that automatically maintains an aircraft on a preset course
2.
(informal) on automatic pilot, acting without conscious thought because of tiredness, shock, or familiarity with the task being performed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for automatic-pilot

automatic pilot

device for controlling an aircraft or other vehicle without constant human intervention.

Learn more about automatic pilot with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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