root nodule (English, noun)
expansion: root nodule (plural root nodules)
Senses:
topics: biology
botany
natural-sciences
glosses: A specialized organ that forms on the roots of certain plants, primarily legumes, as a result of a symbiotic interaction between the plant and nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere.
Forms:
form: root nodules
tags: plural