Lm and Luminous flux unit

Lm noun - A unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions.

Luminous flux unit and lm are semantically related. In some cases you can use "Luminous flux unit" instead a noun "Lm".

Luminous flux unit noun - A measure of luminous flux per unit area.

Lm and luminous flux unit are semantically related. Sometimes you can replace term "Lm" with "Luminous flux unit", this terms are similar.