— subsonically , adv.
/sub son"ik/ , adj.
1. noting or pertaining to a speed less than that of sound in air at the same height above sea level.
2. infrasonic.
[ 1940-45; SUB- + -SONIC ]
— subsonically , adv.
/sub son"ik/ , adj.
1. noting or pertaining to a speed less than that of sound in air at the same height above sea level.
2. infrasonic.
[ 1940-45; SUB- + -SONIC ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012