Definition of vulcanize in US English:

vulcanize

(British vulcanise)

verb

[with object]
  • Harden (rubber or a similar material) by treating it with sulfur at a high temperature.

    ‘the development of a method for fixing vulcanized rubber firmly onto mild steel’
    • ‘This rubber can be vulcanized (treated under heat and pressure with sulfur to improve elasticity and strength).’
    • ‘In use, the gamepad is comfortable to hold, with a vulcanised rubber grip.’
    • ‘The meal was a constant struggle with pizza crust that can only be described as vulcanized.’
    • ‘And the rubber is now injection-molded (in Maine) rather than vulcanized, making a lighter boot with surer traction.’
    • ‘We use wheels made out of vulcanized rubber, which are much sturdier and more durable than wood and easier on the environment than steel.’
    • ‘High-NBS vulcanized rubber maintains traction over a full range of terrain.’
    • ‘The ball the schoolboys originally swatted was a globe of vulcanized India rubber pierced with a hole.’
    • ‘Oh, when I got seriously into waterfowling 35 years or so ago, all waders and hip boots were made of vulcanized rubber, and it was possible to get a perfectly serviceable ‘hot’ patch on a puncture.’
    • ‘With all of their manufactured steel, vulcanized rubber, and processed plate glass, Model Ts were selling at about 25 cents a pound - perhaps the best bargain in the industrialized world.’
    • ‘Synthetic rubber erasers are vulcanized (cooked under pressure) to cure the rubber, but vinyl erasers skip this part.’
    • ‘It wasn't buoyant, so, by way of appendix, he fitted a motor tube - two tubes vulcanised together - around the gunwale.’
    • ‘Users of the material will see a silicone fluid appear on the surface of the cured elastomer; this self-lubricating technology is designed, in part, to prevent vulcanized silicone surfaces from sticking to each other.’
    • ‘The implants are made of vulcanized silicone or silastic, a clear, hard, rubber-like material, and secured to the skeleton by insertion into a pocket or with small titanium screws that anchor to the underlying bone.’
    • ‘They can be vulcanised directly into the tyre material.’
    • ‘Some of the first useful polymers were chemically modified natural polymers such as vulcanized rubber and cellulose acetate.’
    • ‘For example, I can recall from elementary school the story of Charles Goodyear and vulcanizing rubber.’
    • ‘I am allergic to peanut skins and vulcanized rubber.’
    • ‘Ricky Davis bounces around like he's made of vulcanized rubber.’
    • ‘Condoms became known as rubbers after 1844, when Charles Goodyear patented his process for vulcanizing rubber and factories began mass-producing rubber condoms.’
    • ‘In the early twentieth century vulcanized rubber was favoured, and latterly hard plastic.’
    solidify, set, become hard, become solid, congeal, clot, coagulate, stiffen, thicken, cake, freeze, bake, crystallize
    View synonyms

Origin

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

Pronunciation

vulcanize

/ˈvəlkəˌnīz//ˈvəlkəˌnaɪz/