noun
nitrogen fixation
Scientific term for the process of converting atmospheric nitrogen into compounds usable by plants, often by bacteria or industrial processes.
マメ科植物は根粒菌と共生して窒素固定を行う。
Leguminous plants perform nitrogen fixation in symbiosis with root nodule bacteria.
Compound of 窒素 (chisso, 'nitrogen') and 固定 (kotei, 'fixation').