ドコサヘキサエン酸さんドコサヘキサエンさんMeanings1noundocosahexaenoic acid; DHAchemistry›A long-chain omega-3 fatty acid; primarily a technical term in chemistry and nutrition.ドコサヘキサエン酸さんは魚ぎょ油ゆに多おおく含ふくま