From Longman Dictionary of Contemporary Englishblue-chipˈblue-chip adjective → blue-chip companies/shares etc —blue chip noun [countable]
Examples from the Corpus
blue-chip• blue chip stocks and sharesFrom Longman Business Dictionaryblue chipˈblue chip [countable usually plural]FINANCE a share in a well-managed, successful company with a long record of paying profits to shareholders during good and bad economic timesWall Street closed Thursday with blue chips falling and technology stocks managing a slight gain. → chipOrigin blue chip (1900-2000) blue chip “blue counter of high value used in gambling” ((1900-2000)) 