スチルブMeanings1nounstilbA unit of luminance in the CGS system, equal to one candela per square centimeter. Rarely used in modern contexts; the SI unit cd/m² (nit) is more common.スチルブは、かつて輝き度どの単たん位いとして使つかわれていた。The stilb was once used as a unit of luminance.