Word Of The Evening: Lumen

lu·men¹

/ˈlo͞omən/

noun

PHYSICS

plural noun: lumens

1. the SI unit of luminous flux, equal to the amount of light emitted per second in a unit solid angle of one steradian from a uniform source of one candela.

Oxford

(Yaaas, definition is more of my languaaaage! “Steradian!” “Candela!”)