An Encylopedia Britannica Company

roughen

1 ENTRIES FOUND:
roughen /ˈrʌfən/ verb
roughens; roughened; roughening
roughen
/ˈrʌfən/
verb
roughens; roughened; roughening
Britannica Dictionary definition of ROUGHEN
: to become rough or cause (something) to become rough
[+ object]
[no object]