[sound.proof] adj (ca. 1878): impervious to sound
[2]soundproof vt (1919): to insulate so as to obstruct the passage of sound
SOUNDPROOF
Meaning of SOUNDPROOF in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012
[sound.proof] adj (ca. 1878): impervious to sound
[2]soundproof vt (1919): to insulate so as to obstruct the passage of sound
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012