Supersonic item Synonyms

Supersonic replaced

Definitions for Supersonic


  • (adjective) of speed) greater than the speed of sound in a given medium (especially air
  • (adjective) having frequencies above those of audible sound

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Supersonic Item
What does SI stand for?
SI stands for "Supersonic Item"

Item replaced

Definitions for Item


  • (noun) a separate part in a list , account , or series
  • (noun) a report of recent events or facts not previously known
  • (noun) a distinct part that can be specified separately in a group of things that could be enumerated on a list