Search Result for "sonic": 
Wordnet 3.0

ADJECTIVE (2)

1. (of speed) having or caused by speed approximately equal to that of sound in air at sea level;
- Example: "a sonic boom"
[syn: sonic, transonic]

2. relating to audible sound;
- Example: "a sonic wave"



WordNet (r) 3.0 (2006):

sonic
    adj 1: (of speed) having or caused by speed approximately equal
           to that of sound in air at sea level; "a sonic boom"
           [syn: sonic, transonic] [ant: subsonic,
           supersonic]
    2: relating to audible sound; "a sonic wave"