a00175719
| type | a |
| lex_filenum | 00 |
| def | (of speed) less than that of sound in a designated medium |
| examples | aircraft flying at subsonic speeds |
| Outgoing links | |
| Antonym | subsonic → supersonic; subsonic → sonic |
| Incoming links | |
| Antonym | sonic → subsonic; supersonic → subsonic |
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