Sign Up
Sign In
中文
English Fox - English Dictionary
Meaning of
mainspring
in English
mainspring
us
/ˈmeɪnsprɪŋ/
uk
/ˈmeɪnspɹɪŋ/
#uncommon
Plural
mainsprings
Definitions
Noun
a
key
element
;
essential
part
of
something
main
spring
in
a
clockwork
mechanism
the
primary
driving
force
;
motivation