Library / English Dictionary

SONIC

Pronunciation (US):

(GB):

 I. (adjective) 

Sense 1

Meaning:

Relating to audible sound

Example:

a sonic wave

Classified under:

Adjectives

Similar:

audible; hearable (heard or perceptible by the ear)

Sense 2

Meaning:

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

Example:

a sonic boom

Synonyms:

sonic; transonic

Classified under:

Adjectives

Antonym:

subsonic ((of speed) less than that of sound in a designated medium)

supersonic ((of speed) greater than the speed of sound in a given medium (especially air))

Credits

 Context examples: 

Senior experts and engineers from across the agency and the Lockheed Martin Corporation concluded Friday that the QueSST design is capable of fulfilling the LBFD aircraft’s mission objectives, which are to fly at supersonic speeds, but create a soft thump instead of the disruptive sonic boom associated with supersonic flight today.

(NASA Completes Milestone Toward Quieter Supersonic X-Plane, NASA)

At a cellular level, sonic hedgehog signaling promotes cell proliferation.

(Basal Cell Carcinoma Pathway, NCI Thesaurus/KEGG)

Patched is the sonic hedgehog receptor, a protein with twelve transmembrane domains that represses transcription of genes encoding TGF Beta and WNT family signaling proteins.

(Patched, NCI Thesaurus)