Hardening Meaning

There are 3 meaning(s) for word Hardening

Meaning 1 : the process of becoming hard or solid by cooling or drying or crystallization

    Example : the hardening of concrete

    Synonyms : curing,  set,  solidification,  solidifying
Meaning 2 : abnormal hardening or thickening of tissue

Meaning 3 : the act of making something harder (firmer or tighter or more compact)