1. (of speed) having or caused by speed approximately equal to that of sound in air at sea level
   - sonic

Encyclopedia: Transonic

• reflexion
• reflexive
• reflexive pronoun
• reflexive verb
• reflexively
• reflexiveness
• reflexivity
• reflexly
• reflexology
• refloat
• refluent
• reflux
• reflux condenser
• refocus
• refocusing
• refold
• reforest
• reforestation
• reforge
• reform
• Reform Jew
• Reform Judaism
• reform movement
• reform school
• reform-minded