Translation guide
The English word 'multiplier' refers to something that multiplies or increases an effect. In Japanese, the translation depends on context: mathematics, economics, photography, or general increase.
A number by which another number is multiplied.
Standard mathematical term for multiplier, as in 'multiplicand × multiplier = product'.
When the multiplier is 2, the product becomes twice the original number.
Descriptive phrase meaning 'the number that multiplies', used in elementary math contexts.
Even if you swap the multiplier and the multiplicand, the answer is the same.
A factor by which an initial change is multiplied to give the final change in an economic variable.
A lens or setting that multiplies the focal length of a camera lens.
A person or thing that multiplies or increases something.
Directly translating 'multiplier' as マルチプライヤー is rarely used and may not be understood. Use context-appropriate terms.
Specifically 'multiplier effect', a common economics term.
The multiplier effect of investment is important for economic recovery.
I attached an extender and photographed a distant subject.
His presence is a multiplier of team morale.