- any iron-bearing mineral or rock with siliceous impurities.
- Also called ironstone china. a hard white stoneware.
Origin of ironstone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ironstone
The ground was hard, with boulders of ironstone embedded in it.The Dop Doctor
Clotilde Inez Mary Graves
They were of the same character as Aalem, sand and ironstone.A Pilgrimage to Nejd, Vol. 1 [of 2]
They are usually contaminated with ironstone, gypsum and some limestone.The Natural History of Clay
Alfred B. Searle
For indications, never pass an ironstone “blow” without examination.
The ironstone outcrop may cover a gold, silver, copper, or tin lode.
- any rock consisting mainly of an iron-bearing ore
- Also called: ironstone china a tough durable earthenware
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012