Definitions

1. verb

to make or become more pliable or flexible, especially by heat or chemicals

“The plasticiser in the paint helped it to plasticise and adhere to the wall more easily.”

2. verb

to make or become more malleable or pliable

“The heat of the summer sun helped to plasticise the clay in her hands.”

3. noun

a substance, especially a chemical, that makes plastic more pliable

“The plasticiser in the toy was leaking out and causing it to become brittle.”