Isoptera isopsephism • isopterous · · · Info · Definitions · Characters · · Isoptera · · Text Latin · · Script 8 · · Length Definitions · · · (noun) order of social insects that live in colonies, including: termites; often placed in subclass Exopterygota. Synonyms: order Isoptera. · · Noun Definition 1 Characters · · I latin capital letter i U+0049 a latin small letter a U+0061 e latin small letter e U+0065 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074