電でん界かい放ほう出しゅつでんかいほうしゅつMeanings1nounfield emissionTechnical term in physics and electronics for the emission of electrons from a solid surface under a strong electric field.電でん界かい放ほう出しゅつは、走そう査さ型がた電でん子し顕けん微び鏡きょうの電でん子し源