plus

A positive quantity.

An asset or useful addition.

"He is a real plus to the team."

A plus sign: +.

To add; to subject to addition.

(often followed by 'up') To increase in magnitude.

To improve.

Being positive rather than negative or zero.

"−2 * −2 = +4 ("minus 2 times minus 2 equals plus four")"

Positive, or involving advantage.

"He is a plus factor."

Electrically positive.

"A battery has both a plus pole and a minus pole."

And; sum of the previous one and the following one.

"A water molecule is made up of two hydrogen atoms plus one of oxygen."

With; having in addition.

"I've won a holiday to France plus five hundred euros in spending money!"

And also; in addition; besides (which).

"Let's go home now. It's late, plus I'm not feeling too well."