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单词 primary root
释义

primary root

noun

: the root of a plant that develops first and originates from the radicle see seedling illustration

Example Sentences

Recent Examples on the Web 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

Word History

First Known Use

1877, in the meaning defined above

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更新时间:2025/3/16 1:59:49