Original serum Synonyms

Original replaced

Definitions for Original


  • (adjective) coming before all others in time or order
  • (adjective) having the skill and imagination to create new things
  • (adjective) not known or experienced before

Synonyms for phrase

OS abbreviation

OS is an abbreviation for Original Serum
What does OS stand for?
OS stands for "Original Serum"

Serum replaced

Definitions for Serum


  • (noun) an amber, watery fluid , rich in proteins, that separates out when blood coagulates