roughen

[ruhf-uh n] /ˈrʌf ən/
verb (used with object), verb (used without object)
1.
to make or become rough or rougher.
Origin
1580-90; rough + -en1
Related forms
roughener, noun
unroughened, adjective
Examples from the web for roughen
  • After the first coat hardens approximately one hour, the surface is scratched with the edge of the trowel to roughen it.
  • roughen surface of each layer to provide key for the next.
  • Prior to application, roughen embankment and fill areas by rolling with a crimping or punching type roller or by track walking.
  • The purpose of abrading is to roughen the surface, not to remove a significant amount of galvanizing.
  • roughen wood with coarse sandpaper and soak it in a pot of melted wax for repellency.
  • It is important that the texturing equipment not tear or unduly roughen the pavement surface during the operation.
  • roughen surface of each layer to provide key for next.
  • But these tools also can roughen the silicon surface.
British Dictionary definitions for roughen

roughen

/ˈrʌfən/
verb
1.
to make or become rough
Word Origin and History for roughen
v.

1580s, from rough (adj.) + -en (1). Related: Roughened; roughening.