: to mold (something) in advance : to give shape to (something) before using or fitting premold a part.

What does Prefrom mean?

1 : to form or shape beforehand. 2 : to bring to approximate preliminary shape and size.

What's the difference between preformed and performed?

Perform (pronounced “purr-fohrrmm”) is a verb. It means to showcase talents on a stage, for example, acting, singing, dancing, or dramatic reading. ... Preform (pronounced “pree-fohrr-mm”) is a verb. It means an object that is molded or shaped before it is used or incorporated into something else.