1. (

• determinant ,
• determiner ,
• determinative ,
• determining_factor ,
• causal_factor

) a determining or causal element or factor; "education is an important determinant of one's outlook on life" ;

2. (

• antigenic_determinant ,
• determinant ,
• epitope

) the site on the surface of an antigen molecule to which an antibody attaches itself ;

3. (

• determinant

) a square matrix used to solve simultaneous equations ;

1. (

• deciding ,
• determinant ,
• determinative ,
• determining

) having the power or quality of deciding; "the crucial experiment"; "cast the deciding vote"; "the determinative (or determinant) battle" ;