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nanotube

noun
  1. a cylindrical nanoparticle, esp a carbon molecule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
nanotube in Science

nanotube

[năn′ə-tōōb′]
  1. A hollow cylindrical or toroidal molecule made of one element, usually carbon. Nanotubes are being investigated as semiconductors and for uses in nanotechnology. See also fullerene.
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