noun
fluorescent dye; fluorescent pigment; fluorochrome
Technical term used in chemistry, biology, and materials science for substances that emit light upon excitation.
この蛍光色素は紫外線で明るく光る。
This fluorescent dye glows brightly under ultraviolet light.
細胞を蛍光色素で染色して観察した。
We stained the cells with a fluorescent dye and observed them.
Compound of 蛍光 (fluorescence) and 色素 (pigment, dye).