根こん粒りゅう菌きんこんりゅうきんMeanings1nounroot nodule bacteriaTechnical term in botany and microbiology for bacteria that form nitrogen-fixing nodules on legume roots.根こん粒りゅう菌きんはマメ科か植しょく物ぶつの根ねに共きょう生せいしている。Root nodule bacteria live symbiotically in the roots of leguminous plants.
