miniaturization

US /ˌmɪn.i.ə.tʃɚ.əˈzeɪ.ʃən/
UK /ˌmɪn.i.ə.tʃɚ.əˈzeɪ.ʃən/
"miniaturization" picture
1.

the process of making something smaller

:
The miniaturization of electronic components has led to smaller and more powerful devices.
Advances in miniaturization are crucial for wearable technology.