Cylinders
By convention a rigid cylinder that is open at both ends is referred to as an "open" cylinder; whereas, a rigid cylinder that is open at one end and has a rigid surface at the other end is referred to as a "closed" cylinder.
Read more about this topic: Open Tube, Resonance of A Tube of Air
Famous quotes containing the word cylinders:
“‘Take the cylinders out of my kidneys,
The connecting-rod out of my brain,
Take the cam-shaft from out of my backbone,
And Assemble the engine again.’”
—Unknown. The Dying Airman (l. 5–8)