: the process by which a complex macromolecule (such as collagen) or a supramolecular system (such as a virus) spontaneously assembles itself from its components

Examples of self-assembly in a Sentence

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The question was whether these self-assembly processes could work with no human overlords around. Jacek Krywko, ArsTechnica, 27 July 2025 Forecasting self-assembly is a job for supercomputers, and the heavyweight programs required can take days or weeks to run. Elise Cutts, Quanta Magazine, 21 June 2023 Swedish megabrand Ikea’s affordable self-assembly furniture has made Scandi style the go-to look for homes, hotels and Airbnbs all over Europe. Andrew Saunders, Fortune, 5 Aug. 2025 The molecule was shown to form nanoscale p/n heterojunctions through self-assembly, highlighting the feasibility of molecular designs that autonomously organize into functional electronic structures, according to a press release. Prabhat Ranjan Mishra, Interesting Engineering, 22 Jan. 2026 See All Example Sentences for self-assembly

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of self-assembly was in 1946

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Cite this Entry

“Self-assembly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-assembly. Accessed 7 Jul. 2026.

Medical Definition

self-assembly

noun
plural self-assemblies
: the process by which a complex macromolecule (as collagen) or a supramolecular system (as a virus) spontaneously assembles itself from its components
self-assemble intransitive verb
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