noun
dinoflagellate
A group of single-celled aquatic organisms, many with two flagella; includes both photosynthetic and heterotrophic species. Used in biology and environmental science contexts.
渦鞭毛藻は海洋生態系において重要な一次生産者である。
Dinoflagellates are important primary producers in marine ecosystems.
赤潮の原因となる渦鞭毛藻の一種が確認された。
A species of dinoflagellate that causes red tides was identified.
Compound of 渦 (うず, 'whirlpool'), 鞭毛 (べんもう, 'flagellum'), and 藻 (そう, 'algae'), describing the organism's characteristic spinning motion and flagella.