Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: the process of becoming hard or solid by cooling or drying or crystallization
"the hardening of concrete"; "he tested the set of the glue";
Within this category: congealment
How to sign: the act of making something harder (firmer or tighter or more compact)
Categories: change of integrity
Within this category: annealing