SOUNDPROOF
Meaning of SOUNDPROOF in English
— soundproofing , n.
/sownd"proohf'/ , adj.
1. impervious to sound.
v.t.
2. to cause to be soundproof.
[ 1875-80; SOUND 1 + -PROOF ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012