micromachine

noun
mi·cro·ma·chine | \ ˌmī-krō-mə-ˈshēn \

Definition of micromachine 

: a device or machine constructed on a microscopic scale The hardest material, and one of the most chemically inert, diamond is extremely difficult to fabricate into electronic devices or micromachines.Physics Today especially : such a device constructed using the techniques of lithography Unlike the way Swiss watches are made, silicon micromachines are built in one piece and ready to go. Their three-dimensional structures are created by stacking up a series of very thin, carefully detailed layers of silicon, each one deposited directly on the layer before. As a final step, acid etches away the in-between "sacrificial" layers to free the moving parts. —Doug Stewart

Examples of micromachine in a Sentence

Recent Examples on the Web

Self-replicating micromachines (not discussed by Feynman) would unleash the magic of exponential growth, opening a new epoch in engineering. Frank Wilczek, WSJ, "A Great Physicist’s Visions of a Future for Tiny Objects," 25 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'micromachine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of micromachine

1971, in the meaning defined above

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The first known use of micromachine was in 1971

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