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Definition of determinant
1 : an element that identifies or determines the nature of something or that fixes or conditions an outcome
education level as a determinant of income
2 mathematics : a square array of numbers bordered on the left and right by a vertical line and having a value equal to the algebraic sum of all possible products where the number of factors in each product is the same as the number of rows or columns, each factor in a given product is taken from a different row and column, and the sign of a product is positive or negative depending upon whether the number of permutations necessary to place the indices representing each factor's position in its row or column in the order of the natural numbers is odd or even
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Merriam-Webster unabridgedWords at Play
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Time Traveler for determinant
The first known use of determinant was in 1686
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