光こう学がくTop 15000MeaningsNoun1. opticsKanji used光ray学studyPitch accentこうがくUsed in vocabulary光こう学がく式しき文も字じ認にん識しきoptical character recognition; OCRNoun光こう学がく繊せん維いoptical fiberNoun光こう学がく文も字じoptical characterNoun繊せん維い光こう学がくfiber optics; fibre opticsNoun光こう学がく機き械かいoptical instrumentNoun光こう学がく顕けん微び鏡きょうoptical microscopeNoun光こう学がく式しき走そう査さ器きoptical scannerNoun光こう学がく式しき文も字じ読よみ取とり装そう置ちoptical character reader; OCRNoun光こう学がく的てき文も字じ認にん識しきoptical character recognition; OCRNoun光こう学がく異い性せいoptical isomerismNoun幾き何か光こう学がくgeometrical opticsNoun能のう動どう光こう学がくactive optics (telescope)NounExamples1光こう学がくの研けん究きゅうで彼かれは拡かく大だい鏡きょうの発はつ明めいをした。His study of optics led him to the invention of the magnifying glass.