(pronounced LU-men)
It’s easy to remember that this word relates to lighting and the emitting of light – just think of words you probably already know such as luminaire, luminaria and luminary. What’s not as easy is
We’ve defined lumen for you, and you probably understand depreciation (especially if you’ve ever bought a new car and then tried to sell it after just one year).
Copyright Plinth and Chintz 2015. All Rights Reserved