a female given name

a male given name

optical line

(astronomy) photosphere

(electronics) light level adjustment; dimming

(electronics) to adjust light levels; to dim

visible light

(physics) light concentration

(physics) to concentrate light

A Japanese children's game, similar to blind man's buff: The one in the middle is the demon, or 'It'. The demon has to keep their eyes covered while the others sing or chant and circle around him. When they stop, the demon has to guess who is sitting behind them.