ダイヤモンドalso: ダイアモンドダイヤモンドCommon wordJLPTN2Freq.FrequencyTop 10,000Meanings1noundiamond (gemstone)Refers to the gemstone or the material itself.彼かの女じょはダイヤモンドの指ゆび輪わをもらった。She received a diamond ring.2noundiamond (baseball); infieldbaseball