Laminariales laminariaceous • laminarian · · · Info · Definitions · Characters · · Laminariales · · Text Latin · · Script 12 · · Length Definitions · · · (noun) in some classifications coextensive with family Laminariaceae: marine brown algae of cold or polar seas. Synonyms: order Laminariales. · · Noun Definition 1 Characters · · L latin capital letter l U+004C a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073