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nonsense verse
nonsense word
nonsensical
nonsked
nonslip
nonsmoker
nonsmoking
nonspecific
nonspecific urethritis
nonstandard
nonstarter
nonstate actor
nonstatutory fringe benefit
nonsteroid
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nonreturn
non·re·turn [ nòn ri túrn ]


adjective 
Definition:
 
permitting flow in only one direction: permitting a flow of air or liquid through a pipe or similar conduit in one direction only
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