solidifier

noun
UK /səˈlɪdɪfaɪə/
US /səˈlɪdəˌfaɪər/

A solidifier is something that makes a liquid turn hard.

The chef added a solidifier to the sauce so it would set.


OTHER MEANINGS

2. A substance added to a mixture to make it become firm or set.

The cement solidifier helped the mixture dry faster.

3. A person or thing that makes an idea, plan, or group stronger and more united.

Her calm leadership was a solidifier for the whole team.

4. A chemical agent used to turn waste or liquid into a solid form for disposal.

Workers used a solidifier to treat the liquid waste before transport.