Dictionary

ironstone

noun iron·stone \ˈī(-ə)rn-ˌstōn\

Definition of IRONSTONE

1
:  a hard sedimentary rock rich in iron; especially :  a siderite in a coal region

First Known Use of IRONSTONE

1522

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5 ENTRIES FOUND:
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May 27, 2015
riot act Hear it
a vigorous reprimand or warning
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