Definition of over-vulcanization in US English:

over-vulcanization

noun

  • Vulcanization for longer than is necessary to achieve the maximum modulus of elasticity; the overcuring of rubber.

Origin

Early 20th century. From over- + vulcanization. Compare later over-vulcanize.

Pronunciation

over-vulcanization

/ˌəʊvəˌvʌlkənʌɪˈzeɪʃn/