verb (used with object), vul·can·ized, vul·can·iz·ing.
to treat (rubber) with sulfur and heat, thereby imparting strength, greater elasticity, durability, etc.
to subject (a substance other than rubber) to some analogous process, as to harden it.
Also especially British, vul·can·ise.
Origin of vulcanize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
to treat (rubber) with sulphur or sulphur compounds under heat and pressure to improve elasticity and strength or to produce a hard substance such as vulcanite
to treat (substances other than rubber) by a similar process in order to improve their properties
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
To harden rubber by combining it with sulfur or other substances in the presence of heat and pressure. Vulcanization gives rubber strength, resistance, and elasticity.
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