nano·​tube ˈna-nə-ˌtüb How to pronounce nanotube (audio)
: a microscopic tube whose diameter is measured in nanometers
especially : one of pure carbon : buckytube

Examples of nanotube in a Sentence

Recent Examples on the Web Because of this, its next vehicle may have a traditional powertrain or be powered by something different, like nanotube technology. Bryan Hood, Robb Report, 8 May 2024 The company makes carbon nanotubes and graphene, which are used in electric car batteries, and its Kansas investment comes after Panasonic announced plans to create a $4 billion electric battery plant in nearby De Soto. Jonathan Shorman, Kansas City Star, 11 Apr. 2024 Carbon nanotube devices typically have channel lengths of 7-10 nm. IEEE Spectrum, 29 Mar. 2024 All in all, these new transistors perform roughly as well as state-of-the-art flexible transistors that combine carbon nanotubes, metal oxides, or polycrystalline silicon with plastic films. IEEE Spectrum, 17 Mar. 2024 Memory Solutions for Machine Learning Researchers in China built a machine learning chip that integrates layers of carbon nanotube transistors, silicon, and memory (RRAM). IEEE Spectrum, 11 Oct. 2023 New research shows that some cancer cells can fire a long nanotube projection into the T cell that, like a vampire’s fang, sucks energy-creating mitochondria from the immune cell, turning the predator into prey. Angus Chen, STAT, 13 Oct. 2023 These materials include hydrogen-rich substances such as water, polyethylene, or hydrogen-rich boron nitride nanotubes. The Physics Arxiv Blog, Discover Magazine, 12 Oct. 2023 It’s based on a three-layer system that includes a silicon CMOS logic layer, a carbon nanotube transistor and RRAM layer, and another layer of RRAM made from a different material. IEEE Spectrum, 11 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nanotube.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1992, in the meaning defined above

Time Traveler
The first known use of nanotube was in 1992

Dictionary Entries Near nanotube

Cite this Entry

“Nanotube.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

Medical Definition


nano·​tube -ˌt(y)üb How to pronounce nanotube (audio)
: a microscopic tube whose diameter is measured in nanometers
Last Updated: - Updated example sentences
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