developmental age developmental • developmental anatomy · · · Info · Definitions · Characters · · developmental age · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) a measure of a child's development (in body size or motor skill or psychological function) expressed in terms of age norms. Synonyms: developmental age. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 v latin small letter v U+0076