multiplier
noun
uk/ˈmʌltiplaɪər/us[C]
anumberused tomultiplyanothernumber. A multiplier is often used tocalculatethings such astaxorpensionpayments:
If youcurrentlyreceivea $360monthlypensionand the multiplier goes to 2%, thenyourpensionwillincreaseto $400.
[S]ECONOMICS
spendingon oneproductorservicethatcausespeopleandorganizationstospendon other things as aresult:
Housesaleshave amultipliereffecton theeconomy.