standard candle

noun

1. a unit of luminous intensity; the candela: not in scientific usage because of possible confusion with a former unit (international candle) See also candela international candle

Example Sentences

A standard candle when burning vitiates the air in a room almost as much as an adult person.

From Project Gutenberg

A standard candle may be considered to emit an amount of light approximately equal to 10 lumens.

From Project Gutenberg