VULCANISE is validvalid

to vulcanize [v VULCANISED, VULCANISES, VULCANISING]

119,200 of 196,601 in NWL2023·also valid in CSW24

to change the properties of, as caoutchouc, or India rubber, by the process of vulcanization, also VULCANIZE [v VULCANISED, VULCANISING, VULCANISES]