deluminate

The opposite of illuminate.

To dim or "turn down" (as in lighting)

The room was too bright, so Jodi asked me to deluminate it.

by Reverend Sir Dope E. Fresh August 11, 2003

deluminator

a concept made by Rolling (in Harry Potter books), referring to Dumbeldore's silverish tool used to shut down the lights (or to deluminate)

"There's too much light here, hmmm"
"Shud I use the Deluminator?"
"ye"

by No1One August 20, 2007

deluminator

also known as a Put-Outer, i.e. someone who puts out

Fred: That girl last night...?
George: Ya Fred, total deluminator...
Fred: You don't mean...?
George: Yes, we were "snogging" all night

by Zeke Cardigan December 20, 2015