sonic, transonic (adj)

(of speed) having or caused by speed approximately equal to that of sound in air at sea level

"a sonic boom"

sonic (adj)

relating to audible sound

"a sonic wave"

sonic (Adjective)

of or relating to sound

sonic (Adjective)

having a speed approaching that of the speed of sound in air

Sonic

SONIC DP83932 is a National Semiconductor 10 Mbit/s Ethernet controller. In the early 1990s, integrated ethernet subsystems based on the SONIC controller were used in computer workstations such as the MIPS Magnum family and the Olivetti M700, inter alia.