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English definition of “market share”

market share

the number of products or services that a company sells compared to the number that other companies sell : lose/gain/increase market share The company has increased its market share .maintain/regain market share Our competitor is slashing prices right now in an attempt to regain market share .boost/build/grow market share Our top strategic objective is to grow market share .market share dropped/fell/rose Its US market share fell to 45% from 50%.
(Definition of market share noun from the Cambridge Business English Dictionary © Cambridge University Press)
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