Definition of "nanosized" [nanosized]

• Having a size measured in nanometers (adjective)

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• "Factory workers, engineers and scientists working on cutting-edge products could be exposed to higher levels of nanosized particles titanium dioxide if they are making sunscreens, say or carbon nanotubes than any of the consumers who end up buying them."
• "And, unlike traditional chemical engineering industries where workers' exposure to chemicals is regulated, it is still not clear whether protective masks, filters, and ventilation systems are sufficient to prevent harmful exposure to the latest nanosized substances."
• "Each nanotube carries a pharmaceutical payload on its surface and is able to penetrate into a specific cell type – cancerous or otherwise – much like a nanosized needle."