parasitic
adj. १ पराजीविक, परजीवी—, पराश्रयी २ Elec. & Magn. (being or relating to undesirable component frequencies; consisting of or caused by eddy currents in any conductor within the reach of an alternating-current or rotating magnetic field) अवांछित, अनिष्ट (as in : parasitic loss Elec. Eng. अवांछित व्यय, अनिष्ट व्यय)