positive definite

adjective

, Mathematics.

1. (of a quadratic form) positive for all real values of the variables, where the values are not all zero.
2. (of a matrix) displaying the coefficients of a positive definite quadratic form.

Other Words From

• positive definiteness noun

Word History and Origins

Origin of positive definite¹

First recorded in 1905–10

Example Sentences

The one who is bound by an evil habit or has yielded to the fascinations of an alluring spirit must make a positive, definite decision, in every way possible turn from the temptation, and call upon God for help with a faith that will not waver; then deliverance is sure to come, and grace to be an overcomer.

From Project Gutenberg

They imply a confession of lack of such wisdom as would enable me to make positive definite proposals.

From Project Gutenberg

The significance of this early period lies in the fact that, in the positive, definite system of Christianity, systematic thought, which was fast becoming disorganized and sceptical, found a center about which it might rally and focus itself, and the scattered fragments of philosophy were all collected together, by either friends or foes, about the new religion.

From Project Gutenberg

There ought to be some very quick, positive, definite answer.

From Project Gutenberg

Nearly at the same time an important change passed over her religious views, and the vague deism of her youth deepened into a positive, definite, and earnest Christianity, but without mysticism and without intolerance.

From Project Gutenberg