Old Red Sandstone
noun
: a thick series of fragmental chiefly sandstone rocks of nonmarine origin, predominantly red in color, and representing the Devonian system in some parts of Great Britain and elsewhere in northwestern Europe
Dictionary Entries Near Old Red Sandstone
Cite this Entry
“Old Red Sandstone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Old%20Red%20Sandstone. Accessed 22 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share