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nanotube
nanotube n. 
/ˈnanə(ʊ)tʃuːb/,
Brit. /ˈnanə(ʊ)tjuːb/
, /ˈnanə(ʊ)tjuːb//ˈnanə(ʊ)tʃuːb/U.S. /ˈnænoʊˌt(j)ub/
a structure consisting of one or more sheets of carbon atoms rolled up in the form of a cylinder, two or more concentric cylinders, or a cylindrical scroll; a buckytube; (also) any analogous tubular molecule composed of atoms other than carbon./ˈnænoʊˌt(j)ub/ΚΠ
1992 Nature 16 July 220/1 Interest in carbon fibres has been stimulated greatly by the recent discovery of hollow graphitic tubules of nanometre dimensions. There has been much speculation about the properties and potential application of these nanotubes.
1994 Superlattices & Microstruct. 16 133/1 Chrysotile asbestos..is a regular set of closely packed parallel dielectric nanotubes.
1997 G. Bear Slant (1998) 241 I've heard that all the carbon fibers—nanotubes, linked fullerenes, etc.—are tuned for conductivity and that the entire skin is sensitive.
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