nano·​tube | \ˈna-nə-ˌtüb, ˈna-nō-\

Definition of nanotube 

: 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

So far, scientists have only produced carbon nanotubes a few inches long and one nanometer wide. Rachel Feltman, Popular Mechanics, "Why Don't We Have Space Elevators?," 7 Mar. 2013 But the spacing between atoms allows nanotubes with different diameters. John Timmer, Ars Technica, "Process takes CO₂ from the air, converts it to carbon nanotubes," 30 May 2018 In tallying the time each task took, the researchers found that in VR, threading the nanotube and tying the knot went much quicker. Veronique Greenwood, New York Times, "It’s Time for a Chemistry Lesson. Put on Your Virtual Reality Goggles.," 3 July 2018 To make these threads, the researchers first grew curly carbon nanotubes that stick out from the silicon carbide surface like ringlets of hair. Prachi Patel, Scientific American, "Fuzzy Fibers Could Help Rockets Take the Heat," 1 July 2017 For the finalists, those products range from concrete to carbon nanotubes. John Timmer, Ars Technica, "Putting CO₂ to use: 10 finalists named for Carbon XPrize," 11 Apr. 2018 To do this, the researchers added carbon nanotubes, which are conductors, to the mixture. Chris Lee, Ars Technica, "Porous silk fiber traps heat, hides a rabbit from IR camera," 4 Apr. 2018 Smalley gave Curley two vials of carbon nanotubes, a kind of nanoparticle that is hollow, with a cylinder structure. Erika Hayasaki, Newsweek, "Kanzius Cancer Machine Gets Its First Human Trial," 21 July 2015 One square centimeter of Vantablack consists of about one billion carbon nanotubes spaced perfectly apart. Temujin Doran And Katy Scott, CNN, "Darkest material on Earth creates a 'schism in space' for Winter Olympics," 11 Feb. 2018

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

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First Known Use of nanotube

1992, in the meaning defined above

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22 Oct 2018

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The first known use of nanotube was in 1992

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nano·​tube | \-ˌt(y)üb \

Medical Definition of nanotube 

: a microscopic tube whose diameter is measured in nanometers

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