antiresonance

is likely misspelled.

has no English definition.

As a noun antiresonance

is the condition, in an electric circuit containing a capacitor and coil in parallel and in which the alternating current line voltage and the resultant current are in phase, in which the impedance approaches infinity.

As a noun antiresonance

is the condition, in an electric circuit containing a capacitor and coil in parallel and in which the alternating current line voltage and the resultant current are in phase, in which the impedance approaches infinity.

As an adjective antiresonant is

of, pertaining to, or exhibiting antiresonance.