nanotechnology
noun
Science NewsKaren Breslau
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Nanotechnology, or nanotech for short, deals with matter at a level that most of us find hard to imagine, since it involves objects with dimensions of 100 billionths of a meter (1/800th of the thickness of a human hair) or less. The chemical and physical properties of materials often change greatly at this scale. Nanotechnology is already being used in automobile tires, land-mine detectors, and computer disk drives. Nanomedicine is a particularly exciting field: Imagine particles the size of a blood cell that could be released into the bloodstream to form into tiny robots and attack cancer cells, or "machines" the size of a molecule that could actually repair the damaged interiors of individual cells.
Examples of nanotechnology in a Sentence
Matt Grobar, Deadline, 13 May 2025
The seminars covered everything from medical care to nanotechnology to ethical decisions made the during a host of high-pressure scenario.
—Brian Steinberg, Variety, 19 May 2025
The paper has been cited more than 7,000 times, including by engineers developing inkjet printers and nanotechnology.
—Charlie Wood, Quanta Magazine, 9 May 2025
Additionally, there are national priorities—pandemic response, supercomputing needs, nanotechnology breakthroughs, space exploration goals, demands for microchip technologies, and artificial intelligence advancements.
—Mary K. Feeney, ArsTechnica, 2 May 2025
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Cite this Entry
“Nanotechnology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanotechnology. Accessed 4 Jul. 2025.
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