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red clay

American  

noun

Geology.

  1. a brown to red, widely distributed deep-sea deposit consisting chiefly of microscopic particles and tinted red by iron oxides and manganese.

Other Word Forms

  • red-clay adjective

Etymology

Origin of red clay

Middle English word dating back to 1350–1400

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.