injection molding

noun

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

Examples of injection molding in a Sentence

Recent Examples on the Web
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Even the seemingly simple lids that cover fuel caps were being carefully inspected by two women at another plastic injection molding press, later to be fitted with a hinge and possibly a latch at another parts plant before being painted at a vehicle assembly plant. Ian Austen, New York Times, 19 May 2025 Breaking the original product down to that level using carbon-renewal tech, the resulting material is made with luxury eyewear and accessories in mind, as it’s produced through injection molding and sheet production. Alexandra Harrell, Sourcing Journal, 3 Sep. 2019 Tom Barr, a third-generation mold maker in Michigan, makes plastic injection molding equipment for the auto industry, among others. Scott Horsley, NPR, 30 Apr. 2025 Having developed its own injection molding process over the years. Roberta Naas, New York Times, 7 Apr. 2025 See All Example Sentences for injection molding

Word History

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of injection molding was in 1932

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Cite this Entry

“Injection molding.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/injection%20molding. Accessed 27 May. 2025.

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