assay

Noun

• a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.

• a written report of the results of an analysis of the composition of some substance

• a substance that is undergoing an analysis of its components

• an appraisal of the state of affairs
  • they made an assay of the contents
    
  • a check on its dependability under stress
    

Verb

• make an effort or attempt
  • He tried to shake off his fears
    
  • The infant had essayed a few wobbly steps
    
  • The police attempted to stop the thief
    
  • He sought to improve himself
    
  • She always seeks to do good in the world
    

• analyze (chemical substances)

Related words

• Synonyms: 
  check , try , seek , attempt , essay