硫りゅう化かカドミウムりゅうかカドミウムMeanings1nouncadmium sulfide; CdSInorganic compound used in pigments, photoresistors, and solar cells. Technical term.硫りゅう化かカドミウムは黄き色いろの顔がん料りょうとして使つかわれる。Cadmium sulfide is used as a yellow pigment.