Meaning of the word hardening in English

What does hardening mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

hardening

US /ˈhɑːr.dən.ɪŋ/
UK /ˈhɑː.dən.ɪŋ/

Noun

1.

the process of becoming hard or solid, or of making something hard or solid

Example:
The concrete needs time for hardening.
The hardening of the steel increases its durability.
2.

a situation in which someone becomes less kind, sympathetic, or willing to change

Example:
There's been a hardening of attitudes towards immigrants.
The government's hardening stance on crime was evident.