Knee pain and popping is a common problem and can be caused by a number of factors. Another term commonly used for popping in the knee is Crepitus, which essentially means a noisy joint, whether it be popping, clicking, cracking or snapping.
The final type of erosion is attrition. Attrition is a way of eroding the riverâs load, not the bed and banks. Attrition is where pieces of rock in the riverâs load knock together, breaking chunks of rock off of one another and gradually rounding and shrinking the load.
DEFINITION of 'Attrition'. The reduction in staff and employees in a company through normal means, such as retirement and resignation. This is natural in any business and industry.ext Up. This type of reduction in staff is one way a company can decrease labor costs: the company simply waits for its employees to leave and freezes hiring.