relief valve
English Dictionary
->
Letter R
-> relief valve
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relief valve Definition
(n)
a
valve
in
a
container
in
which
pressure
can
build
up
(
as
a
steam
boiler
);
it
opens
automatically
when
the
pressure
reaches
a
dangerous
level
relief valve Synonyms
escape
escape cock
escape valve
relief valve
safety valve
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