reactance react • reactant · · · Info · Definitions · Characters · · reactance · · Text Latin · · Script 9 · · Length Definitions · · · (noun) opposition to the flow of electric current resulting from inductance and capacitance (rather than resistance). · · 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 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074