Stuff like this keeps me awake at night

[LemmingofGlory]

Professor Lem, sir, a query regarding your distinction between revolution and rotation -- for which I thank you in an astrophysical sense, likewise the ovular versus elliptical correction.  I am a bit confused, either due to coommon usage or because the rotating door at the bank whacked me in the head as I attempted to exit, too slowly, this morning just after I had deposited some money in my revolving account.  :wacko:   

Is my six cylinder, .357 Magnum pistol actually a rotator, not a revolver?  :lol: 

Are the "revolutions per minute" measured as rpm on my tachometer, or my turntable's old platter rotation speed of 33 1/3, actually a measure of "rotations per minute?"  Are South and Central American calendars measured in the Bolivaran scale of RPD -- revolutions per decade?  Something about a Villan frame of reference is nagging at the back of my brain.
:whistling:
Anything you can do to resolve my confusion would be appreciated, Professor Lem.  (Who looks suspiciously like Sergeant Pygmy)  My brain hurts due to a local caffeine shortage. 

Occhi
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It's all space jive, you hoopy frood. They gotta sass the difference 'tween when somethin' spins and when somethin' goes the distance.

-Lemmy