harden

Verb
  1. Become hard or harder (synset 200444071)
    "The wax hardened"
    is a type of: change - undergo a change; become different in essence; losing one's or its original nature
    subtypes:
    • encrust, incrust - form a crust or a hard layer
    • callus - form a callus or calluses
    • calcify - become impregnated with calcium salts
    • cure - make (substances) hard and improve their usability
    same as: indurate
    verb group: harden, indurate - make hard or harder
  2. Make hard or harder (synset 200444339)
    "The cold hardened the butter"
    causes: harden, indurate - become hard or harder
    is a type of: change - undergo a change; become different in essence; losing one's or its original nature
    subtypes:
    • face-harden - harden steel by adding carbon
    • callus - cause a callus to form on
    • anneal, normalize, temper - bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling
    same as: indurate
    verb group: harden, indurate - become hard or harder
  3. Harden by reheating and cooling in oil (synset 200303656)
    "temper steel"
    is a type of: modify - make less severe or harsh or extreme
    same as: temper
  4. Make fit (synset 200295901)
    "This trip will season even the hardiest traveller"
    is a type of: toughen - make tough or tougher
    same as: season
  5. Cause to accept or become hardened to;
    Habituate (synset 200273709)
    "He was inured to the cold"
    is a type of: accustom, habituate - make psychologically or physically used (to something)
    subtypes:
    same as: indurate, inure

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