hard·en·ing /ˈhɑrdnɪŋ, ṇɪŋ/ 名詞
1. Making hard or harder.
2. That which hardens, as a material used for converting the surface of iron into steel.
Hard·en v. t. [imp. & p. p. Hardened p. pr. & vb. n. Hardening ]
1. To make hard or harder; to make firm or compact; to indurate; as, to harden clay or iron.
2. To accustom by labor or suffering to endure with constancy; to strengthen; to stiffen; to inure; also, to confirm in wickedness or shame; to make unimpressionable. “Harden not your heart.”
I would harden myself in sorrow. --Job vi. 10.
n 1: abnormal hardening or thickening of tissue
2: the process of becoming hard or solid by cooling or drying
or crystallization; "the hardening of concrete"; "he
tested the set of the glue" [syn: solidifying, solidification,
3: the act of making something harder (firmer or tighter or