mainspring
n . 主发条;主要原因
主发条;主要原因
mainspring n 1 :
the most important spring in a mechanical device (
especially a clock or watch );
as it uncoils it drives the mechanism mainspring \
main "
spring `\,
n .
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 :
(
Fig .)
The chief or most powerful motive ;
the efficient cause of action ;
as ,
the mainspring of action .
[
1913 Webster ]
38 Moby Thesaurus words for "
mainspring ":
ambition ,
aspiration ,
basis ,
calling ,
cause ,
consideration ,
font ,
fount ,
fountain ,
fountainhead ,
goal ,
ground ,
guiding light ,
guiding star ,
headspring ,
headstream ,
headwater ,
ideal ,
inspiration ,
intention ,
lodestar ,
matter ,
mine ,
motive ,
principle ,
quarry ,
reason ,
riverhead ,
sake ,
score ,
source ,
spring ,
springhead ,
ulterior motive ,
vocation ,
well ,
wellhead ,
wellspring
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