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to phrases
roughen ['rʌf(ə)n] v
gen. strier; gratter; rendre rugueux
mater.sc., mech.eng. dépolir
roughening ['rʌfnɪŋ] v
met. rugosification
roughen
: 12 phrases in 5 subjects
Construction1
Entomology1
Industry1
Metallurgy7
Transport2