To treat or combine with sulfur.
Sulfurized things might be used in making rubber or other materials.
Examples:
The metal is sulfurized to make it stronger.
We sulfurized the rubber to make it more durable.
She sulfurized the fabric to make it fire-resistant.
I sulfurized my socks to make them stink less.
The scientist sulfurized the solution to change its properties.
He sulfurized the soil to help the plants grow better.