Definition of "subsector" []

• A sector (section, zone) of a larger sector. (noun)

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• "Energy intelligence is often defined as a subsector of traditional energy efficiency, focused on utility-scale distribution, grid connectivity and two-way communication with end users and devices."
• "As speculation increased over a Tepco nationalization Tuesday, the banking subsector on the Topix stock index tumbled 3% and the insurance subsector fell 2%, compared with a 0.9% drop of the overall Topix index."
• "There is one notable exception: the precious-metals subsector, where ETF flows significantly outstrip those of mutual funds."