ironstone

== English == === Etymology === From iron +‎ stone. === Noun === ironstone (countable and uncountable, plural ironstones) Any ore of iron which is impure through the admixture of silica or clay. A type of vitreous pottery similar to stoneware ==== Derived terms ==== blackband ironstone carbonaceous ironstone ==== Translations ==== === References === William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “ironstone”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC. “ironstone”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. === Anagrams === serotonin