Description: A designation consisting of one or more words that is permanently assigned to a class within a classification system; Name: class description
Description: description comprising one or more words allocated to a class within a class system; Name: description of class
Description: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity