"Agricultural irrigation is the purposeful application of water to crops at controlled rates and scheduled times to meet their moisture requirements for optimum growth, development, and yield, using various methods and systems such as surface or localized irrigation, drip or sprinkler systems, to improve crop productivity and ensure food security in agriculture."

Therapeutic irrigation, also known as lavage, is a medical procedure that involves the introduction of fluids into a body cavity or natural passageway for therapeutic purposes. This technique is often used to flush out debris, bacteria, or other unwanted substances from a specific area in the body. The fluid used for irrigation can be sterile saline solution, normal saline, or other types of solutions depending on the purpose of the procedure.

"Root canal irrigants are solutions used in endodontic treatment to clean, disinfect and remove tissue remnants from the root canal system, aiding in the elimination of microorganisms and promoting successful therapy outcomes."