Assertion: hardening | /r/HasProperty | congelation
Facets:
Source sentences:
text: hardening - the process of becoming hard or solid by cooling or drying or crystallization; "the hardening of concrete"; "he tested the set of the glue" curing, solidification, solidifying, set congealment, congelation - the process of congealing; solidification by (or as if by) freezing natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity" plastination - a process involving fixation and dehydration and forced impregnation and hardening of biological tissues; water and lipids are replaced by curable polymers (silicone or epoxy or polyester) that are subsequently hardened; "the plastination of specimens is valuable for research and teaching"