brown algae
plural noun
1- a large group of algae that are typically olive brown or greenish in colour, including many seaweeds. They contain xanthophyll in addition to chlorophyll.褐藻。
1.1
- Class Phaeophyceae, division Heterokontophyta (also phylum Heterokonta, kingdom Protista); formerly division Phaeophyta.褐藻纲, 不等鞭毛藻门（原生生物界）; 旧时为褐藻门。