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

Example Sentences

Recent Examples on the Web This different perspective allowed the researchers to identify electrons as the main culprit behind friction between the carbon nanotube and water. Karmela Padavic-callaghan, Scientific American, 22 Feb. 2022 In the previous, 1 nanometer device, the gate was made of a single carbon nanotube. John Timmer, Ars Technica, 10 Mar. 2022 Thus, friction still occurs even within a perfectly smooth nanotube as electrons dance in unison to a tune set by water molecules. Karmela Padavic-callaghan, Scientific American, 22 Feb. 2022 One example shows the nanotube fibers in the shirt feeding signals to wires on the bottom that transmit the information through Bluetooth technology to a computer. Clare Duffy, CNN, 3 Sep. 2021 The Rice University lab first developed carbon nanotube fiber in 2013, and has studied its use in medical procedures, such as in cochlear implants for hearing loss and to repair damaged hearts. Clare Duffy, CNN, 3 Sep. 2021 Each nanotube is only a few atoms across and about as long as a strand of hair is wide. Max G. Levy, Wired, 12 Feb. 2021 Separately, Sonderman said production remained steady through the pandemic for SkyWater’s two existing clean rooms as well as a new nanotube manufacturing process. Evan Ramstad, Star Tribune, 8 Sep. 2020 Scientists have captured video of a pair of rhenium atoms breaking apart and bonding again in a carbon nanotube. Theresa Machemer, Smithsonian Magazine, 22 Jan. 2020 See More

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.

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 4 Dec. 2022.

Medical Definition



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