transonic

transonic englannista suomeksi

1. yliääni-

transonic englanniksi

1. Just below, or just above, the of sound (0.8 < Ma < 1.2 approximately).

2. Passing from subsonic to supersonic, or versa.

3. Travelling through a fluid (commonly air) at a speed where regions of supersonic and subsonic flow coexist simultaneously over different portions of the surface of the moving object in question.