Initial sonic Synonyms

Initial replaced

Definitions for Initial


  • (adjective) coming before all others in time or order
  • (adjective) occurring at the beginning
  • (noun) the first letter of a word (especially a person's name)

Synonyms for phrase

IS abbreviation

IS is an abbreviation for Initial Sonic
What does IS stand for?
IS stands for "Initial Sonic"

Sonic replaced

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