Vulcanize

//ˈvʌl.kə.naɪz// verb

Definitions

Verb
  1. 1
    To treat rubber with heat and (usually) sulfur to harden it and make it more durable. transitive
  2. 2
    subject to vulcanization wordnet
  3. 3
    To undergo such treatment. intransitive

    "These vulcanized hearts, they only become more resistant when you ask for mercy."

  4. 4
    undergo vulcanization wordnet

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