معنی کلمه : hardening
English
of Harden
Making hard or harder.
That which hardens, as a material used for converting the surface of iron into steel.
Unlawfully or irregularly begotten; of bad origin; pernicious. "Valor misbegot." Shak.

of Harden
Making hard or harder.
That which hardens, as a material used for converting the surface of iron into steel.
Unlawfully or irregularly begotten; of bad origin; pernicious. "Valor misbegot." Shak.