凝固
硬化

[ noun ]
the process of becoming hard or solid by cooling or drying or crystallization
<noun.process>
the hardening of concretehe tested the set of the glue

Solidify \So*lid"i*fy\, v. t. [imp. & p. p. {Solidified}; p. pr.
& vb. n. {Solidifying}.] [Solid + -fy: cf. F. solidifier.]
To make solid or compact.

Every machine is a solidified mechanical theorem. --H.
Spencer.