略語大辞典 [E] 43 Z impedance インピーダンス. 高周波抵抗. 交流に対する抵抗.impedance; a high-frequency electric resistance; ref. HZ(high impedance), TZ(trans-impedance) amplification circuit; [E:C]. 丸善「略語大辞典」JLogosID : 11850295