nonreturn
See also:
non-return
English
Alternative forms
non-return
Etymology
From
non-
+
return
.
Noun
nonreturn
(
uncountable
)
Absence of
return
; failure to come back or bring back.
Adjective
nonreturn
(
not comparable
)
Allowing
air
or
liquid
to
travel
in one
direction
only, and not
permitting
its
return
.
(
of a valve
)