環境DNAかんきょうでぃーえぬえーMeanings1nounenvironmental DNA; eDNAbiology›Technical term in biology; refers to DNA collected from environmental samples (water, soil, air) rather than directly from an organism.環かん境きょうDNA分ぶん析せきで池いけの魚さかなの種しゅ類るいを調しらべた。We investigated the fish species in the pond using environmental DNA analysis.