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Noun: hardening  haa(r)-du-ning
  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";
    - solidifying, solidification, set, curing
  3. The act of making something harder (firmer, tighter or more compact)
Verb: harden  haa(r)-d(u)n
  1. Become hard or harder
    "The wax hardened";
    - indurate
  2. Make hard or harder
    "The cold hardened the butter";
    - indurate
  3. Harden by reheating and cooling in oil
    "harden steel";
    - temper
  4. Make fit
    "This trip will harden even the hardiest traveller";
    - season
  5. Cause to accept or become hardened to; habituate
    "He was hardened to the cold";
    - inure, indurate, enure

Derived forms: hardenings

Type of: accustom, action, activity, change, change of integrity, habituate, modify, natural action, natural process, symptom, toughen

Antonym: soften

Part of: plastination

Encyclopedia: Hardening

Harden, Thomas