/son"ik/ , adj.
1. of or pertaining to sound.
2. noting or pertaining to a speed equal to that of sound in air at the same height above sea level.
[ 1920-25; son ( us ) SOUND 1 + -IC ]
/son"ik/ , adj.
1. of or pertaining to sound.
2. noting or pertaining to a speed equal to that of sound in air at the same height above sea level.
[ 1920-25; son ( us ) SOUND 1 + -IC ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012