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Definition
2024
non-return
non-return
See also:
nonreturn
English
Adjective
non-return
(
not comparable
)
(
of a valve
)
allowing
air
or
liquid
to
travel
in one
direction
only, and not
permitting
its
return
.
See also
nonreturn
(
noun
)
Etymology
From
non-
+
return
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