Positive | Definition of Positive by Merriam-Webster
5 a (1): being, relating to, or charged with electricity of which the proton is the elementary unit and which predominates in a glass body after being rubbed with silk (2): having more protons than electrons a positive ion
Positive | Define Positive at Dictionary.com
Positive definition, explicitly stated, stipulated, or expressed: a positive acceptance of the agreement. See more.