Harden and Hardening

Harden verb - To become physically firm or solid.

Hardening is a synonym for harden. In some cases you can replace term "Hardening" with "Harden", this verbs are similar.

Nearby Words: hard, hardness, hardening, hardener

Hardening noun - The act of making something harder (firmer or tighter or more compact).

Harden is a synonym for hardening. You can use "Harden" instead a verb "Hardening".

Nearby Words: harden, hardened, hardener