Nerve injuries are classified as follows: 1  A first-degree injury, or neurapraxia, will recover within days after the injury, or it may take up to three months.  A second-degree injury, or axonotmesis, also will recover completely; however, the recovery will take much longer than with a first-degree injury.
Freebase(0.00 / 0 votes)Rate this definition: Churning. Churning is the process of shaking up cream to make butter, and various forms of butter churn have been used for the purpose. In Europe from the Middle Ages until the Industrial Revolution, this was generally as simple as a barrel with a plunger in it, which was moved by hand.
LINK / CITE ADD TO WORD LIST. noun. The definition of a cylinder is a three dimensional shape with two round shapes at either end and two parallel lines connecting the round ends. An example of cylinder is a can of tomato soup.ylinder-Computer Definition. The aggregate of all tracks that reside in the same location on every disk surface. On multiple-platter disks, the cylinder is the sum total of every track with the same track number on every surface. On a floppy disk, a cylinder comprises the top and corresponding bottom track.