Meaning of MULTIPLIER in English

■ noun

1》 a quantity by which a given number (the multiplicand) is to be multiplied.

2》 Economics a factor by which an increment of income exceeds the resulting increment of saving or investment.

3》 a device for increasing by repetition the intensity of an electric current, force, etc. to a measurable level.

4》 a type of fishing reel with a geared spool.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.