Phaeophyceae Phaeodaria • Phaeophyta · · · Info · Definitions · Characters · · Phaeophyceae · · Text Latin · · Script 12 · · Length 4 · · Syllables Definitions · · · (noun) brown algae; mostly marine and littoral eukaryotic algae. Synonyms: class Phaeophyceae. · · Noun Definition 1 Characters · · P latin capital letter p U+0050 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 y latin small letter y U+0079