What does transonic mean?
Relating to or denoting speeds at which the airflow around an aircraft or other vehicle is neither entirely subsonic nor entirely supersonic, typically between Mach 0.8 and Mach 1.2.
Example
"The transonic flight regime is a challenging area of aerodynamics."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.