a root, as in most grasses, having numerous, very fine branches of approximately the same length.
a root system that consists of very fine branches.
Why Is The Word “Root” In “Root Beer”?Is root beer the world's most oddly named carbonated beverage ... we don't know, that award might go to 7-up, but we're going to explore the naming of this soft drink regardless. What, after all, is the root in root beer?
5 color words that are beautiful in more than one wayRead more in this article about some frequently asked questions and fun facts related to our definitions.
- fibrous cortical defect,
- fibrous dysplasia of bone,
- fibrous goiter,
- fibrous joint,
- fibrous membrane,
- fibrous tissue,
- fibrous tubercle,
- fibrovascular bundle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Any of the roots in a system that is made up of many threadlike members of more or less equal length and is characteristic of monocotelydons. Fibrous roots develop from adventitious roots arising from the plant's stem and usually do not penetrate the soil very deeply. Because their roots attach themselves firmly to soil particles, plants with fibrous root systems are especially useful in preventing soil erosion. Compare taproot.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.