stabilizer

US /ˈsteɪ.bə.laɪ.zɚ/
UK /ˈsteɪ.bə.laɪ.zɚ/
"stabilizer" picture
1.

a device or substance that prevents unwanted changes in something

:
The ship was fitted with a new stabilizer to reduce rolling.
Food manufacturers often add stabilizers to prevent ingredients from separating.