apostilb 1

noundomain: quantity
EnWordnet [ver.5.0]
EnglishEnglish
Definition

an old unit of luminance, withdrawn from use in 1978, the SI unit of luminance is the candela per square metre.

  • 1.In 1942 it was proposed to rename the apostilb the blondel, after the French physicist André Blondel.
FENG