Definisi 'mainspring'
English to English
1 the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism
source: wordnet30
2 The principal or most important spring in a piece of mechanism, especially the moving spring of a watch or clock or the spring in a gunlock which impels the hammer. Hence: The chief or most powerful motive; the efficient cause of action.
source: webster1913
More Word(s)
spring, clockwork,

Visual Synonyms
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