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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The injection molding process begins with the user pouring a liquid elastomer mixture into the injection chamber. New Atlas, 3 Sep. 2025 Researchers hope future iterations, possibly made with injection molding or stamped metal, will push their performance even further. Georgina Jedikovska, Interesting Engineering, 20 Aug. 2025 With the rise of plastic injection molding in the 1940s and '50s, companies started mass-producing recorders and selling them in bulk to school districts for as little as $1 apiece. Abigail Covington, NPR, 16 July 2025 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 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 9 Sep. 2025.

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