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self-acting

American  
[self-ak-ting] / ˈsɛlfˈæk tɪŋ /

adjective

  1. acting by itself; automatic.


self-acting British  

adjective

  1. not requiring an external influence or control to function; automatic

"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

Other Word Forms

Derived Forms

Etymology

Origin of self-acting

First recorded in 1670–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Its new rule said bump stocks were illegal machine guns because they function as “a self-acting or self-regulating mechanism that allows the firing of multiple rounds through a single function of the trigger.”

From Los Angeles Times • Feb. 28, 2024

It said the bump stock device functions as “a self-acting or self-regulating mechanism that allows the firing of multiple rounds through a single pull of the trigger.”

From Los Angeles Times • Nov. 3, 2023

This needle is self-acting, in that it is made to draw its own loop, sinkers being dispensed with.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 "Horticulture" to "Hudson Bay" by Various

Thus, this mode of teaching sorted out its auditory by a self-acting mechanism.

From Pastor Pastorum by Latham, Rev. Henry

Next to the hand slide rest lathe comes the self-acting or engine lathe.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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