equivalent equivalent /ɪˈkwɪvələnt/

adjective

1. Being essentially equal to something  ( equivalent , tantamount )
   being essentially equal to something
    It was as good as gold
   it was as good as gold
    A wish that was equivalent to a command
   a wish that was equivalent to a command
    His statement was tantamount to an admission of guilt
   his statement was tantamount to an admission of guilt
   

noun

1. () A person or thing equal to another in value or measure or force or effect or significance etc  ( equivalent )
   a person or thing equal to another in value or measure or force or effect or significance etc
    Send two dollars or the equivalent in stamps
   send two dollars or the equivalent in stamps
   
2. The atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen  ( combining weight , eq , equivalent , equivalent weight )
   the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen