Hefner candle

[ hef-ner ]

nounOptics.
  1. a German unit of luminous intensity, equal to 0.92 of a candela.

Origin of Hefner candle

1
First recorded in 1895–1900; named after Friedrich von Hefner- Alteneck (1845–1904), German electrical engineer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024