the act or process of changing from being a liquid or gas to a solid form, or of making something do this

a process of gradual solidification 一个逐渐凝固的过程

He devoted himself largely to problems involving the solidification of gases. 他主要致力于研究涉及气体凝固中出现的问题。

the act or process of becoming or making something become certain

There's really been a solidification of voter opinions on the candidates. 选民对候选人的意见确实变得一致了。