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The Britannica Dictionary
roughen
1 ENTRIES FOUND:
roughen
(verb)
roughen
/
ˈ
rʌfən/
verb
roughens
;
roughened
;
roughening
roughen
/
ˈ
rʌfən/
verb
roughens
;
roughened
;
roughening
Britannica Dictionary definition of ROUGHEN
:
to become rough or cause (something) to become rough
[
+ object
]
Roughen
the surface with a file before you apply the glue.
Her hands were
roughened
by years of hard work.
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[
no object
]
Age caused his skin to
roughen
.
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