The item you put in the middle of a 45 RPM record is called a "center adapter" or "spindle adapter." This small plastic or metal piece fits into the larger hole of the record, allowing it to be played on a standard turntable spindle designed for 33 RPM records. It ensures that the 45 RPM record can properly align and rotate while playing.
The thing you put records in is called a record sleeve or album cover. The sleeve protects the vinyl record from dust and scratches, while the album cover often features artwork and information about the artist and tracks.
The middle part of a record player where you place the record's hole is called the "spindle." It is a small, protruding rod that helps center the record on the turntable and allows it to rotate smoothly during playback. The spindle ensures that the record is properly aligned for the stylus to read the grooves accurately.
A word with another word put in the middle is called a compound word or a portmanteau.
it is called a gas mask
I know it's over 50 feet.
A Chalice.
It was called brutal because the slaves put on the boat were put through very harsh conditions.
Trapezoid.
It's called a bibliography
The thing that the water goes into is called the drain. And the thing you put in it to stop is called a plug.
If your thinking of the thing where you put your head and arms through for a punishment then its called a gillateen, if thats how u spell it. Hope this helps try to sound out the spelling.
That would be the Memory Stick.