Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - A sedimentary rock containing ore.

Usage examples (33)
  • In semiarid and subhumid areas with acidic soils a rock-like layer called ironstone can form (Box 9.4).
  • The term "ironstone" was first registered by Charles James Mason in July 1813.
  • The species grows well on arid ironstone plateaus.
  • On the crest, the rock consisted of clay ironstone. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.