primary root
noun
: the root of a plant that develops first and originates from the radicle see seedling illustration
Examples of primary root in a Sentence
Recent Examples on the Web
This catastrophe, which has killed hundreds of thousands, has one primary root cause, and that is the Russian president himself.
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New York Daily News Editorial Board, New York Daily News, 15 Mar. 2025
For some time now, it’s been established that the primary root of SARS-CoV-2 transmission is airborne.
—William A. Haseltine, Forbes, 2 May 2022
The primary root cause of humanitarian migration from Central America is the U.S. government.
—Felipe De La Hoz, The New Republic, 1 Apr. 2021
Arabidopsis thaliana, a small flowering plant that is often used by biologists for plant research, is the star of this video by Daniel von Wangenheim, which shows a new root growing laterally off a primary root.
—Scientific American, 16 Mar. 2021
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New York Daily News Editorial Board, New York Daily News, 15 Mar. 2025
For some time now, it’s been established that the primary root of SARS-CoV-2 transmission is airborne.
—William A. Haseltine, Forbes, 2 May 2022
The primary root cause of humanitarian migration from Central America is the U.S. government.
—Felipe De La Hoz, The New Republic, 1 Apr. 2021
Arabidopsis thaliana, a small flowering plant that is often used by biologists for plant research, is the star of this video by Daniel von Wangenheim, which shows a new root growing laterally off a primary root.
—Scientific American, 16 Mar. 2021
Cite this Entry
“Primary root.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/primary%20root. Accessed 3 Jul. 2025.
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