soil·​less | \ ˈsȯi(-ə)l-ləs How to pronounce soilless (audio) \

Definition of soilless

: having, containing, or utilizing no soil soilless agriculture soilless media for starting seeds

Examples of soilless in a Sentence

Recent Examples on the Web

The tissue is then grown in vitro for a year, and afterwards grown in a soilless mineral solution to gain more biomass. Matthew Sedacca, The Atlantic, "Resurrecting Ancient Wines That Can Survive Climate Change," 17 July 2017

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

First Known Use of soilless

1938, in the meaning defined above

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The first known use of soilless was in 1938

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to make a temporary encampment

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