The size of the nozzle opening and the nozzle pressure determine the quantity of water flowing from the nozzle. p.950. Fire stream pattern types are defined by the specific pattern or shape of the water after it leaves the nozzle and the size of the: volume of water flowing from the nozzle per minute.
From Wikipedia, the free encyclopedia. A cryptogenic disease is a disease of which the cause is unknown. It may be used in a particular case, when the nature of the patient's condition is known but the cause has not been found (e.g. cryptogenic stroke).
Define chromogenic. chromogenic synonyms, chromogenic pronunciation, chromogenic translation, English dictionary definition of chromogenic. n. 1. Chemistry A substance capable of conversion into a pigment or dye. 2. Biology A strongly pigmented or pigment-generating organelle, organ, or...