電でん子し光こう学がくでんしこうがくMeanings1nounelectron opticsTechnical field dealing with the behavior and control of electron beams, analogous to light optics.電でん子し光こう学がくは電でん子し顕けん微び鏡きょうの設せっ計けいに不ふ可か欠けつ