Chemistry. any substance found in organic fluids that forms colored compounds when oxidized.a colored compound that, though not a dye itself, can be converted into a dye.
a chromogenic bacterium.
更多chromogen例句
In other words, an auxochrome in addition to the chromophore group transforms a colorless chromogen into a colored one.
The chromogen or pigmentary bacteria have occasionally been the means of working miracles.
A colorless chromogen is formed, which oxidizes to the green pigment in the air.