variometer variolovaccinia • variorum · · · Info · Definitions · Characters · · variometer · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a measuring instrument for measuring variations in a magnetic field. · · Noun Definition 1 Characters · · a latin small letter a U+0061 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 v latin small letter v U+0076