HyperDic: root_hair

English > 1 sense of the expression root hair:
NOUNplantroot hairthin hairlike outgrowth of an epidermal cell just behind the tip
English > root hair: 1 sense > noun 1, plant
MeaningThin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil.
Part ofroot(botany) the usually underground organ that lacks buds or leaves or nodes
Broaderplant organA functional and structural unit of a plant or fungus

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