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great soil group

American

noun

according to a system of classification that originated in Russia, any of several broad groups of soils with common characteristics usually associated with particular climates and vegetation types.

Etymology

Origin of great soil group

First recorded in 1935–40

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.