One-in-a-million shell Synonyms

One-in-a-million replaced

Synonyms for phrase

OS abbreviation

OS is an abbreviation for One-in-a-million Shell
What does OS stand for?
OS stands for "One-in-a-million Shell"

Shell replaced

Definitions for Shell


  • (noun) something that encloses another thing especially to protect it
  • (noun) the arrangement of parts that gives something its basic form
  • (noun) an outer part or layer