transonic

American

[tran-son-ik] / trænˈsɒn ɪk /

adjective

Chiefly Aeronautics.

close to the speed of propagation of sound; moving at 700–780 miles per hour (1127–1255 km/h) at sea level.

transonic British

/ trænˈsɒnɪk /

adjective

of or relating to conditions when travelling at or near the speed of sound

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

transonic Scientific

/ trăn-sŏn′ĭk /

Relating to or capable of speeds at or near the speed of sound (at or approaching Mach 1) or to aerodynamic conditions for bodies travelling at such speeds.
Compare hypersonic subsonic supersonic

Etymology

Origin of transonic

First recorded in 1940–45; trans- + sonic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the United States, the Federal Aviation Administration sets standards for third parties like the Aviation Suppliers Association and Transonic Aviation to accredit distributors.

From Reuters • Oct. 5, 2023

Transonic Aviation did not respond to a request for comment.

From Reuters • Oct. 5, 2023

However, an archived version of Transonic Aviation’s website from June 4 names AOG as a client and lists its then-current certification number, which was set to expire on July 5.

From Reuters • Oct. 5, 2023

One jet will be used to build the prototype airplane with this Transonic Truss-Braced Wing.

From Seattle Times • Jul. 25, 2023

At the Transonic Dynamics Tunnel, Thomas Byrdsong got a head start on the long road to the Moon by testing a model of the Saturn rocket, a launch vehicle the size of a redwood tree.

From "Hidden Figures" by Margot Lee Shetterly

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023