ISOCHROMATIC
I `so *chro *mat "ic, a. Etym: [Iso- + chromatic. ] (Opt. )
isochromatic
i so chro mat ic |ˌīsəkrəˈmatik ˌaɪsəkrəˈmædɪk | ▶adjective of a single color.
isochromatic |ˌʌɪsə (ʊ )krəˈmatɪk | ▶adjective of a single colour.