Definition of over-vulcanize in English:

over-vulcanize

(also overvulcanise, overvulcanize)

verb

  • with object To subject to over-vulcanization; to make (rubber) hard or brittle by excessive vulcanizing; to overcure (rubber).

Origin

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

Pronunciation

over-vulcanize

/ˌəʊvəˈvʌlkənʌɪz/