Library / English Dictionary |
NANOTUBE
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A fullerene molecule having a cylindrical or toroidal shape
Synonyms:
Classified under:
Hypernyms ("nanotube" is a kind of...):
fullerene (a form of carbon having a large molecule consisting of an empty cage of sixty or more carbon atoms)
Context examples:
The scientist theorized correctly that he could adapt it to separate carbon nanotubes, rolled sheets of graphene (a single atomic layer of hexagonally bonded carbon atoms), long recognized for their potential applications in computers and tablets, smart phones and other portable devices, photovoltaics, batteries and bioimaging.
(Materials for the next generation of electronics and photovoltaics, The Titi Tudorancea Bulletin)
Carbon nanotubes can be filled and capped, forming nanoscale test tubes or potential drug delivery devices.
(Carbon Nanotubes, The Titi Tudorancea Bulletin)
When a harvester yarn is twisted or stretched, the volume of the carbon nanotube yarn decreases, bringing the electric charges on the yarn closer together and increasing their energy, Haines said.
(Energy-Harvesting Yarns Generate Electricity, The Titi Tudorancea Bulletin)
Carbon nanotubes can also be "doped," or modified with small amounts of other elements, giving them electrical properties that include fully insulating, semiconducting, and fully conducting.
(Carbon Nanotubes, The Titi Tudorancea Bulletin)