(of a quadratic form) positive for all real values of the variables, where the values are not all zero.
(of a matrix) displaying the coefficients of a positive definite quadratic form.
- Positive discrimination
noun 1. the provision of special opportunities in employment, training, etc for a disadvantaged group, such as women, ethnic minorities, etc US equivalent affirmative action
noun, Electricity. 1. the electricity present in a body or substance that has a deficiency of electrons, as the electricity developed on glass when rubbed with silk.
noun, Physics. 1. . positive electron n. See positron.
- Positive end-expiratory pressure
positive end-expiratory pressure n. Abbr. PEEP A technique used in respiratory therapy in which pressure is maintained in the airway so that the lungs empty less completely in expiration.