The point when a radio or television station shuts down transmission and goes off the air for a predetermined period, as used to happen overnight.
The act by which something is closed.
In morphology, the erosion of the dilation of a set.
The final procedure in a house sale, when documents are signed and recorded.
The end or conclusion of something.
Pertaining to the finish or ending of a series of events; occurring at the end or after all others.