plus sign (redirected from plus signs)

plus sign

n.

1. Mathematics The symbol (+), as in 2 + 2 = 4, that is used to indicate addition or a positive quantity.

2. Chemistry The same symbol, used to indicate dextrorotatory rotation of polarized light.

Thesaurus

Noun

1.

plus sign - a sign indicating the operation of addition sign - a character indicating a relation between quantities; "don't forget the minus sign"