Word Study
alternating current
CIDE DICTIONARY
alternating current,
A current which periodically changes or reverses its direction of flow, especially an electric current that reverses direction sinusoidally, as is used for most domestic and industrial power requirements. Contrasted with direct curent . [Webster 1913 Suppl.]
"The common household current is alternating. Alternating current is easier than direct current to transform to high voltage and back, making long-distance transmission more efficient." [PJC]
THESAURUS
alternating current
AC, DC, absorption current, active current, conduction current, convection current, cycle, delta current, dielectric displacement current, direct current, displacement current, eddy current, electric current, electric stream, emission current, exciting current, free alternating current, galvanic current, high-frequency current, idle current, induced current, induction current, ionization current, juice, low-frequency current, magnetizing current, multiphase current, pulsating direct current, reactive current, rotary current, single-phase alternating current, stray current, thermionic current, thermoelectric current, three-phase alternating current, voltaic current, watt currentFor further exploring for "alternating current" in Webster Dictionary Online