ironfieldEtymologyFrom iron + field.nounAn area where ironstone or iron ore is quarried or mined.“The east-west flow consists in the westerly direction of the agricultural and industrial products of East Anglia; imports through London and Parkeston (Harwich); special traffic in coke to the Northamptonshire ironfield; and mineral empties returning to the Derbyshire, Nottinghamshire, and South Yorkshire coalfields.”