greensand

noun
green·​sand | \ˈgrēn-ˌsand \

Definition of greensand 

: a sedimentary deposit that consists largely of dark greenish grains of glauconite often mingled with clay or sand

Examples of greensand in a Sentence

Recent Examples on the Web

Bonemeal is a good source of phosphorus, and kelp or greensand are organic sources of potassium. The Editors Of Organic Life, Good Housekeeping, "Everything You Need To Know About Organic Fertilizer," 10 Mar. 2017 For each cubic foot of mix add 4 ounces of dolomitic limestone, 1 pound of rock phosphate or colloidal phosphate, 4 ounces of greensand, 1 pound of granite dust, and 2 ounces of blood meal. The Editors Of Organic Life, Good Housekeeping, "Everything You Need To Know About Container Gardening," 1 June 2017 Organic materials including compost, animal manures, blood meal or rock phosphate and greensand can be used for fertilizer as well. OregonLive.com, "No room for a vegetable garden? Create space with potted plants," 13 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'greensand.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of greensand

1699, in the meaning defined above

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Time Traveler for greensand

The first known use of greensand was in 1699

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More from Merriam-Webster on greensand

Britannica.com: Encyclopedia article about greensand

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