actinometry actinometrical • actinomorphic · · · Info · Definitions · Characters · · actinometry · · Text Latin · · Script 11 · · Length 5 · · Syllables Definitions · · · (noun) measuring the intensity of electromagnetic radiation (especially of the sun's rays). · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079