動詞 indurate:

1. become fixed or established
2. make hard or harder
   同義詞：harden
3. become hard or harder
   同義詞：harden
4. cause to accept or become hardened to; habituate
   同義詞：inure, harden

形容詞 indurate:

1. emotionally hardened
   同義詞：callous, pachydermatous

in.du.rate

v.（動詞）
in.du.rat.ed,in.du.rat.ing,in.du.rates
v.tr.（及物動詞）
To make hard; harden:
使硬化：使堅硬；硬化：
例句：
soil that had been indurated by extremes of climate.
因氣候的極端變化而變硬的土壤

To inure, as to hardship or ridicule.
使習慣于：使習慣于，如艱苦或?qū)擂沃硾r
To make callous or obdurate:
使無感覺：使冷酷無情或無感覺：
例句：
.It is the curse of revolutionary calamities to indurate the heart.(Helen Maria Williams)
.是由革命的災難使人們變得麻木不仁.(海倫·瑪麗亞·威廉斯)

v.intr.（不及物動詞）
To grow hard; harden.
硬化：變硬；硬化
To become firmly fixed or established.
鞏固起來：牢牢地安上，牢牢地建立
adj.（形容詞）

Hardened; obstinate; unfeeling.
硬的，冷酷的：硬化的；頑固的；無感覺的

來源：
Latin indôr3re indôr3t-
拉丁語 indôr3re indôr3t-
in- [intensive pref.] * see in- 2
in- [強調(diào)性前綴] *參見 in-2
dôrus [hard] * see deru-
dôrus [硬的] *參見 deru-

【引伸】
in.dura.tive
adj.（形容詞）