positive convergence n.
The inward deviation of the visual axes.
noun, Automotive. 1. a means of reducing air pollution by directing the fumes from the crankcase of an engine into the intake manifold, so that they will be channeled into the cylinders and burned. Abbreviation: PCV.
- Positive declination
positive declination n. See extorsion.
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.
- 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