Sonic fence Synonyms

Definitions for Sonic

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

SF abbreviation

SF is an abbreviation for Sonic Fence

What does SF stand for?

SF stands for "Sonic Fence"

Fence replaced

sonic barrier

Definitions for Fence

(noun) a physical object that blocks the way
(verb) to drive danger or attack away from
(noun) a barrier that serves to enclose an area