1 Direct materials. 2  Add the total cost of materials purchases in the period to the cost of beginning inventory, and subtract the cost of ending inventory. 3  The result is the cost of direct materials incurred during the period. 4  Direct labor.
Freebase(2.00 / 1 vote)Rate this definition: Nozzle. A nozzle is a device designed to control the direction or characteristics of a fluid flow as it exits an enclosed chamber or pipe. A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid.
Nozzle on the first stage of an RSA-3 rocket. A rocket engine nozzle is a propelling nozzle (usually of the de Laval type) used in a rocket engine to expand and accelerate the combustion gases produced by burning propellants so that the exhaust gases exit the nozzle at hypersonic velocities.