actinozoan actinozoal • actinozoon · · · Info · Definitions · Synonyms · Characters · · actinozoan · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed. Synonyms: anthozoan. · · Noun Definition 1 Synonyms · · · anthozoan · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 z latin small letter z U+007A