Adjective
Partially positive in attitude etc.
(mathematics) Having a dual that is nonnegative.
(mathematics) Having all elements nonnegative where at least one is positive.
(materials engineering) A type of compression mold for plastics that allows for excess powder and flash, as in an open flash mold, but which allows for lower melt viscosities as in a fully positive mold.
Source: en.wiktionary.org