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vulcanize Line breaks: vul¦can|ize
Pronunciation: /ˈvʌlkənʌɪz/
(also vulcanise)

Definition of vulcanize in English:


[with object]
Harden (rubber or rubber-like material) by treating it with sulphur at a high temperature: (as adjective vulcanized) the development of a method for fixing vulcanized rubber firmly on to mild steel
More example sentences
  • Some of the first useful polymers were chemically modified natural polymers such as vulcanized rubber and cellulose acetate.
  • This rubber can be vulcanized (treated under heat and pressure with sulfur to improve elasticity and strength).
  • For example, I can recall from elementary school the story of Charles Goodyear and vulcanizing rubber.


Pronunciation: /ˈvʌlkənʌɪzəb(ə)l/
Example sentences
  • This material is again vulcanisable and does not require any auxiliary agents for this process.
  • In contrast to chemical cross-linking in the case of vulcanisable rubbers, this process is reversible.
  • The sealing mixture obtained after mixing is vulcanisable at room temperature and can be processed during one day.
Pronunciation: /vʌlkənʌɪˈzeɪʃ(ə)n/
Example sentences
  • It is used in the manufacture of antioxidants, pharmaceuticals, dyes, and in the vulcanization of rubber.
  • Natural rubbers, before vulcanization, tend to be sticky and soft at high temperatures, while at low temperatures they are brittle and stiff, making them difficult to process.
  • Aniline is used in the manufacture of a number of products including dyes, pharmaceuticals, antioxidants, and vulcanization accelerators in rubber compounds.
Pronunciation: /ˈvʌlkənʌɪzə/
Example sentences
  • The rubber is cut to the size of the mold, placed in the vulcanizer, and creates a rubber stamp through a similar process of heat and pressure.
  • Use an accurate glass or metal thermometer and make sure that your vulcanizer is really performing as expected before attempting to use this rubber.
  • When portability is essential, the SVP conveyor belt vulcanizer meets the needs of a variety of job requirements.


Early 19th century (in the sense 'throw into a fire'): from Vulcan + -ize.

Definition of vulcanize in:
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