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Is there a more generic word, perhaps a term from math or engineering, that describes a disc that rotates about its centre, like a turntable?

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So far all I've found is this interesting discussion of turntable physics: stereophile.com/content/turntable-physics-conundrum-1 –  MετάEd Jul 10 '13 at 3:02
    
Thanks. It's amazing how much clever stuff is being discussed online. You can stumble across some really interesting conversations. I wish hardlife was a bit more like that. –  Carl Smith Jul 10 '13 at 3:06
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Seriously, what you are describing is a rotating cylinder whose radius is many times its height (see: en.wikipedia.org/wiki/Cylinder_%28geometry%29). From a physics perspective, there are many interesting types of rotating cylinder, such as the Tipler and the O'Neill. Disregard the similarity to names of condoms and look them up. –  MετάEd Jul 10 '13 at 3:10
    
DJs refer to these as "decks" –  Brad Jul 12 '13 at 18:47

2 Answers 2

How about the simple "rotor". See the Wikipedia article on the multiple instances of usage of the term.

http://en.wikipedia.org/wiki/Rotor

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In engineering we call it a "Console". Hope it helps.

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--References?-- –  Simon Kuang Jul 16 '13 at 18:46
    
CD Drives can be called consoles. or Sony PS3 is called a console which is also a turn table.en.wikipedia.org/wiki/Video_game_console –  Virgo Jul 16 '13 at 20:13
    
a disc that rotates about it's centre != Sony PS3 –  Carl Smith Jul 18 '13 at 7:08
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'Console' really does push the bounds of polysemy. It was (and probably still is, by collectors) used to describe a free-standing radio (innards plus carcase, I believe) (and valve era) larger than a 'table-top' model. –  Edwin Ashworth Jul 19 '13 at 7:28

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