radiometer radiometeorograph • radiometric · · · Info · Definitions · Characters · · radiometer · · Text Latin · · Script 10 · · Length Definitions · · · (noun) meter to detect and measure radiant energy (electromagnetic or acoustic). · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074