noun🔗Share藻Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic."The pond was green because it was full of alga. "池は藻でいっぱいだったので緑色だった。organismplantbiologybiochemistrynatureoceanvegetablescienceenvironmentecologyChat with AIVocabulary GamePractice Reading