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market share

American

noun

Economics.

the specific percentage of total industry sales of a particular product achieved by a single company in a given period of time.

market share British

noun

the percentage of a total market, in terms of either value or volume, accounted for by the sales of a specific brand

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

market shares

plural

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Baptista Research said the FDA decision could help Philip Morris win back market share lost to rival brands such as Rogue and Velo.

From Barron's • Jun. 30, 2026

The announcement could help Philip Morris win back market share that it has lost to competitors “with broader flavor and strength lineups,” Baptista added.

From Barron's • Jun. 30, 2026

BAT says this has fuelled an influx of illegal Chinese products, weighing on its sales and market share.

From BBC • Jun. 29, 2026

Given that investors are, for now, focused on market share rather than the bottom line, I wouldn’t expect the higher costs to be passed on to AI users.

From The Wall Street Journal • Jun. 28, 2026

Even with his machines humming and advertisements for his products insinuating themselves into all aspects of American life, Duke wasn’t satisfied with his market share.

From "The Best of Enemies" by Osha Gray Davidson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023