consisting in or characterized by the presence or possession of features or qualities rather than their absence.
Mitomycin C and cyclophosphamide were used as positive controls in the absence and presence of S9, respectively.
with no possibility of doubt; clear and definite.
he made a positive identification of a glossy ibis
of, containing, producing, or denoting an electric charge opposite to that carried by electrons.
These minerals in their ion state carry either negative or positive charges, much like a car battery.
(of a photographic image) showing lights and shades or colors true to the original.
This kind of photograph is a unique positive picture produced on a thin sheet of iron blackened by tar.
(of an adjective or adverb) expressing a quality in its basic, primary degree.
We were studying positive , comparative and superlative adjectives and, as usual, having a pretty hard time with it.