Search Result for "roughen": 
Wordnet 3.0

VERB (1)

1. make rough or rougher;
- Example: "roughen the surfaces so they will stick to each other"



The Collaborative International Dictionary of English v.0.48:

Roughen \Rough"en\, v. t. [imp. & p. p. Roughened; p. pr. &
   vb. n. Roughening.] [From Rough.]
   To make rough.
   [1913 Webster]


The Collaborative International Dictionary of English v.0.48:

Roughen \Rough"en\, v. i.
   To grow or become rough.
   [1913 Webster]


WordNet (r) 3.0 (2006):

roughen
    v 1: make rough or rougher; "roughen the surfaces so they will
         stick to each other" [ant: smooth, smoothen]