indicant

Noun

• a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time

• something that serves to indicate or suggest
  • an indication of foul play
    
  • indications of strain
    
  • symptoms are the prime indicants of disease
    

Related words

• Synonyms: 
  index , index number , indicator , indication