from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A thin hairlike outgrowth of an epidermal cell of a plant root that absorbs water and minerals from the soil.
from The Century Dictionary.
- noun A delicate filament developed from a single cell (thus distinguished from a root-fibril) on the epidermis of the young parts of a root; a unicellular trichome borne on a root.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology The
rhizoidof a vascular plant; a tubular outgrowthof a trichoblast, a hair-forming cell on the epidermisof a plant root.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun thin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil
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