Meaning of PLUS in English

PLUS

I. ˈplus sign BrE AmE ( also plus especially British English ) noun [countable]

the sign (+), showing that you should add two or more numbers together, or that a number is more than zero

II. plus 1 S1 W2 AC /plʌs/ BrE AmE preposition

[ Date: 1500-1600 ; Language: Latin ; Origin: 'more' (adjective and adverb) ]

1 . used to show that one number or amount is added to another OPP minus :

Three plus six equals nine (3 + 6 = 9).

The total cost was $10,000, plus 14% interest.

2 . and also:

There are numerous clubs, plus a casino.

3 . plus or minus used to say that a number may be more or less by a certain amount:

There may be a variation of plus or minus 5% in the prices that are quoted.

III. plus 2 AC BrE AmE noun [countable]

1 . informal something that is an advantage

major/definite/big etc plus

Some knowledge of Spanish is a definite plus in this job.

2 . a ↑ plus sign OPP minus

IV. plus 3 AC BrE AmE adjective

1 . [only before noun] used to talk about an advantage or good feature of a thing or situation OPP minus :

Another of the Beach Club’s plus points is that it’s right in the middle of town.

This is not an exciting car to drive, but on the plus side it is extremely reliable.

2 . used after a number to mean an amount which is more than that number:

an income of $50,000 plus

Most children start school when they’re five plus.

3 . more than zero – used especially when talking about temperatures OPP minus :

Daytime temperatures barely reached plus 5º.

4 . A plus/B plus etc a mark used in a system of judging students’ work. An ‘A plus’ is slightly higher than an ‘A’.

V. plus 4 BrE AmE conjunction informal

used to add more information:

He’s been studying hard for exams. Plus he’s been working in a bar at night.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.