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primary root
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noun Botany.
the first root produced by a germinating seed, developing from the radicle of the embryo.
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Origin of primary root
First recorded in 1885ā90
Words nearby primary root
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2023
How to use primary root in a sentence
Scientific definitions for primary root
primary root
The first root of a plant, originating in the embryo. In gymnosperms, eudicotyledons, and magnoliids, the primary root develops into the taproot. In monocotyledons, the primary root disintegrates as the lateral roots develop into a system of fibrous roots.
The American HeritageĀ® Science Dictionary
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