I. adjective see: full Date: 1579 algebraically positive, having, receiving, or being in addition to what is anticipated, 3. falling high in a specified range , greater than that specified, possessing a specified quality to a high degree, electrically positive, relating to or being a particular one of the two mating types that are required for successful fertilization in sexual reproduction in some lower plantlike organisms (as a fungus), II. noun (plural ~es; also ~ses) Date: 1654 ~ sign , an added quantity, a positive factor or quality, sur~ , III. preposition Date: 1668 increased by ; with the addition of , besides , IV. conjunction Date: circa 1950 and , in addition to which , Usage: The preposition ~ has long been used with a meaning equivalent to and (as in “two ~ two”); it is not, therefore, very surprising that in time people have begun to use it as a conjunction much like and. Sense 2 is considered to be an adverb by some commentators. It is used chiefly in speech and in informal writing.
PLUS
Meaning of PLUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012