硅藻门 Traditional form: 硅藻門 Pinyin (reading): guīzǎomén Definitions: Bacillariophyta, phylum of diatom single-celled phytoplankton Characters: 硅 - silicon 藻 - splendid, magnificent; algae 门 - gate, door, entrance, opening Traditional characters: 硅 - silicon 藻 - splendid, magnificent; algae 門 - gate, door, entrance, opening