Definition of vulcanize in English:



  • Harden (rubber or rubberlike material) by treating it with sulfur at a high temperature.

    • ‘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.’
    • ‘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 meal was a constant struggle with pizza crust that can only be described as vulcanized.’
    • ‘I am allergic to peanut skins and vulcanized rubber.’
    • ‘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.’
    • ‘This rubber can be vulcanized (treated under heat and pressure with sulfur to improve elasticity and strength).’
    • ‘It wasn't buoyant, so, by way of appendix, he fitted a motor tube - two tubes vulcanised together - around the gunwale.’
    • ‘For example, I can recall from elementary school the story of Charles Goodyear and vulcanizing rubber.’
    • ‘High-NBS vulcanized rubber maintains traction over a full range of terrain.’
    • ‘In the early twentieth century vulcanized rubber was favoured, and latterly hard plastic.’
    • ‘The ball the schoolboys originally swatted was a globe of vulcanized India rubber pierced with a hole.’
    • ‘Some of the first useful polymers were chemically modified natural polymers such as vulcanized rubber and cellulose acetate.’
    • ‘We use wheels made out of vulcanized rubber, which are much sturdier and more durable than wood and easier on the environment than steel.’
    • ‘Synthetic rubber erasers are vulcanized (cooked under pressure) to cure the rubber, but vinyl erasers skip this part.’
    • ‘Condoms became known as rubbers after 1844, when Charles Goodyear patented his process for vulcanizing rubber and factories began mass-producing rubber condoms.’
    • ‘Ricky Davis bounces around like he's made of vulcanized rubber.’
    • ‘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.’
    • ‘In use, the gamepad is comfortable to hold, with a vulcanised rubber grip.’
    • ‘They can be vulcanised directly into the tyre material.’
    • ‘And the rubber is now injection-molded (in Maine) rather than vulcanized, making a lighter boot with surer traction.’
    solidify, set, become hard, become solid, congeal, clot, coagulate, stiffen, thicken, cake, freeze, bake, crystallize
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Early 19th century (in the sense throw into a fire): from Vulcan + -ize.