ironstone
- IPA[ˈī(ə)rnˌstōn]
美式
- sedimentary rock containing a substantial proportion of iron compounds.;a kind of dense, opaque stoneware.
noun: ironstone, plural noun: ironstones
- 更多解釋
- IPA[ˈʌɪənstəʊn]
英式
- sedimentary rock containing a substantial proportion of iron compounds.
Oxford Dictionary