Longman Dictionary of Contemporary English
market leader
noun
EXAMPLES FROM OTHER ENTRIES
▪ Kodak is still the market leader.
EXAMPLES FROM CORPUS
▪ As a consequence peat has been the market leader for the past forty years.
▪ First Alert, the market leader, said the detectors were fine.
▪ It is the recognized market leader in this field.
▪ It will also become a market leader in several food areas within Scandinavia.
▪ The Palm Pilot is currently the market leader with 75-80 % of the market share.
▪ We must strike soon and become the market leader or some other company will seize the position.