magnification

US /ˌmæɡ.nə.fəˈkeɪ.ʃən/
UK /ˌmæɡ.nə.fəˈkeɪ.ʃən/
1.

phóng đại

the process of making something look bigger than it is, for example by using a magnifying glass:

:
Magnification of the leaf allows us to see it in detail.