amplifier
am.pli.fi.er \'am-pl*-.fi-(-*)r\ n : one that amplifies; specif : a device usu. employing vacuum tube s or transistors to obtain amplification of voltage, current, or power
am.pli.fi.er \'am-pl*-.fi-(-*)r\ n : one that amplifies; specif : a device usu. employing vacuum tube s or transistors to obtain amplification of voltage, current, or power