Definition of Mainspring in English :

Define Mainspring in English

Mainspring meaning in English

Meaning of Mainspring in English

Pronunciation of Mainspring in English

Mainspring pronunciation in English

Pronounce Mainspring in English

Mainspring

see synonyms of mainspring

Noun

1. mainspring

the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism

WordNet Lexical Database for English. Princeton University. 2010.


Mainspring

see synonyms of mainspring
noun
1. 
the principal power spring of a mechanism, esp in a watch or clock
2. 
the chief cause or motive of something

Collins English Dictionary. Copyright © HarperCollins Publishers


Mainspring

see synonyms of mainspring
noun
1. 
the principal spring in a clock, watch, or other mechanism; driving spring, whose steady uncoiling keeps the mechanism running
2. 
the chief motive or cause

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Mainspring

see synonyms of mainspring
n.
1. The principal spring in a mechanical device, especially a watch or clock, that drives the mechanism by uncoiling.
2. The chief motivating force: the mainspring of a reform movement.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.