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“nanotube”
nanotube
A hollow cylindrical or toroidal molecule made of one element, usually carbon. Nanotubes are being investigated as semiconductors and for uses in nanotechnology.
A toroid is defined as a surface generated by rotating a closed curve around an axis that is in the same plane as the curve but does not intersect it.
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nano- [NA noh], nan-, nanno-, -nania
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tub-
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