Definition of "Positive" :

noun: a film showing a photographic image whose tones correspond to those of the original subject

noun: the primary form of an adjective or adverb; denotes a quality without qualification, comparison, or relation to increase or diminution

adjective: involving advantage or good

"A plus (or positive) factor."

adjective: persuaded of; very sure

"I am positive he is lying."

adjective: marked by excessive confidence

"The less he knows the more positive he gets."

adjective: having a positive charge

"Protons are positive."

adjective: impossible to deny or disprove

"Proof positive."

adjective: formally laid down or imposed

"Positive laws."

adjective: characterized by or displaying affirmation or acceptance or certainty etc.

"A positive attitude."

adjective: greater than zero

"Positive numbers."

adjective: reckoned, situated or tending in the direction which naturally or arbitrarily is taken to indicate increase or progress or onward motion

"Positive increase in graduating students."

adjective: indicating existence or presence of a suspected condition or pathogen

"A positive pregnancy test."

adjective: of or relating to positivism

"Positive philosophy."