1. small or fine roots that branch off from the main root of a plant
Usage: botany

Examples

• The seedling’s rootlets spread through the soil to absorb water and nutrients.
• Careful transplanting preserves the delicate rootlets that help the plant establish itself.
• The microscope revealed tiny rootlets extending from the main taproot.
• Rootlets are essential for a plant’s ability to take up minerals from the earth.
• The gardener noticed healthy white rootlets when she repotted the houseplant.
• Dense networks of rootlets help prevent soil erosion on hillsides.