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Definition of Subsonic
1. Adjective. (of speed) less than that of sound in a designated medium. "Aircraft flying at subsonic speeds"
Definition of Subsonic
1. Adjective. (context: of a sound) having a frequency too low to be audible ¹
2. Adjective. (context: of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure) ¹
¹ Source: wiktionary.com
Definition of Subsonic
1. moving at a speed less than that of sound [adj]
Lexicographical Neighbors of Subsonic
Literary usage of Subsonic
Below you will find example usage of this term as found in modern and/or classical literature:
1. World Directory of Aerospace Vehicle Research and Development (1991)
"Supersonic Wind Tunnel RAE Bedford 8 X 8 ft subsonic/Supersonic Wind Tunnel
Country: United Kingdom Location: Royal Aerospace Establishment Bedford, ..."