determinant UK /dɪˈtɜːmɪnənt/US /dɪˈtɝmɪnənt/noun 4adjective 1forms 3 noun4 •A determining factor; an element that determines the nature of something.Shields and Young (1993) argue that the budget participation literature "has not produced a coherent nor unified definition" of both the determinants and consequences of budget participation. — 1999 •A substance that causes a cell to adopt a particular fate. •Something that causes a nuclease to cut at a specified point •A scalar that encodes certain characteristics of a given transformation matrix; the unique scalar function over square matrices which is distributive over matrix multiplication, multilinear in the rows and columns, and takes the value 1 for the unit matrix; abbreviated as: det.The determinant of a square matrix A_(n) is a function (actually a polynomial function) of the elements a_ij of A. — 1966 adjective1 •Serving to determine or limit; determinative. formsdeterminants · more determinant · most determinant