Definition of injection moulding

The adaptation of a plastic material to the negative form of a closed mold by forcing the material into the mold through appropriate gateways

 

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A molding procedure whereby a heat-softened plastic material is forced from a cylinder into a relatively cool cavity which gives the article the desired shape. more info on mouldplastic.com a plastic injection mold manufaturer

 

or:

A manufacturing process for forming objects, as of plastic or metal, by heating the molding material to a fluid state and injecting it into a mold.

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or

 a method of forming articles (as of plastic) by heating the molding material until it can flow and injecting it into a mold