Meaning of POSITIVE in English

POSITIVE

■ adjective

1》 consisting in or characterized by the presence rather than the absence of something.

↘expressing or implying affirmation, agreement, or permission.

↘[often in combination ] having a specified substance or condition: HIV-~.

2》 constructive, optimistic, or confident.

3》 with no possibility of doubt; certain.

4》 (of a quantity) greater than zero.

5》 containing, producing, or denoting the kind of electric charge opposite to that carried by electrons.

6》 (of a photographic image) showing light and shade or colours true to the original.

7》 Grammar (of an adjective or adverb) expressing a quality in its basic, primary degree. Contrasted with comparative and superlative .

8》 chiefly Philosophy dealing only with matters of fact and experience. See also positivism (sense 1).

■ noun

1》 a desirable quality or attribute.

2》 a ~ photographic image, especially one printed from a negative.

Derivatives

~ness noun

positivity noun

Origin

ME (orig. referring to laws as being formally 'laid down'): from OFr. positif , -ive or L. positivus , from posit- , ponere 'place'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.