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.
- 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
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.