Dictionary.com

Popular Searches

 Thesaurus.com

alkali rock

American  

noun

Mineralogy.

  1. any igneous rock with a marked preponderance of alkali and a low percentage of silica.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Poetry!—just look round you,—alkali, rock, and sage; Sage-brush, rock, and alkali; ain't it a pretty page!

From Project Gutenberg

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.