ADalso: エーディーFreq.FrequencyTop 10,000Meanings1nounAD; Anno DominiUsed in historical contexts to denote years in the Common Era.この教きょう会かいはAD500年ねんに建たてられました。This church was built in AD 500.Usage patternsADえー・でぃー〈数すう〉年ねんin the year [number] ADこの遺い跡せきはAD100年ねんごろに建たてられた。This ruin was built around AD 100.