variants:
or sub-industry
plural subindustries or sub-industries
Definition of subindustry
: a lesser industry
especially
: one derived from or dependent on a larger industry
a technology subindustry A whole subindustry of agents and publicists has sprung up to manage everything from a chef's media appearances to his hairstyle. — Lisa Abend
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Merriam-Webster unabridged
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Time Traveler for subindustry
The first known use of subindustry was in 1868
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