無む線せん通つう信しん士しMeaningsNoun1. radio communication operatorKanji used無nothing線line通pass through信belief士professionalPitch accentむせんつうしんしComposed of無む線せんradio (communication); wireless; not using wiresNoun通つう信しんcorrespondence; communication; transmission; news; signal; telecommunicationsNoun士しpractitioner; specialist; professional; person (esp. one licensed in a certain profession); -er; -or; -ian; -ist; man (esp. one who is well-respected)SuffixExamples1船せん長ちょうは無む線せん通つう信しん士しに遭そう難なん信しん号ごうを打うつように命めい令れいした。The ship's captain ordered the radio operator to send a distress signal.