ironmasters

/ˈaɪərnˌmæstərz/
noun
  1. Owners or managers of ironworks, especially in the past.
    • Many ironmasters became wealthy by supplying rails for the expanding railway network.
    • The ironmasters of the 19th century built huge factories to produce steel.
    • Local ironmasters often controlled entire towns, providing housing and jobs for workers.
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