Try Our Apps


Gobble up these 8 terms for eating

primary root

noun, Botany.
the first root produced by a germinating seed, developing from the radicle of the embryo.
Origin of primary root
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
primary-root in Science
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 Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Word Value for primary

Scrabble Words With Friends