so·lid·i·fy /səˈlɪdɪfaɪ/ verb (solidified, solidifying) 1 [intransitiveI, transitiveT]HARD to become solid or make something solid (使)变成固体 The volcanic lava solidifies as it cools. 火山熔岩冷却后变成固体。
2 [transitiveT]UNITE to make an agreement, plan, attitude etc more definite and less likely to change 使巩固,使坚固,使稳固 SYN strengthen The two countries signed a treaty to solidify their alliance. 两国签订了条约以巩固双方的联盟。
—solidification /səˌlɪdɪfɪˈkeɪʃən/ noun [uncountableU]