functioning
n. uncountable B2 Upper Intermediate US //ˈfəŋkʃənɪŋ// UK //fˈʌŋkʃənɪŋ// func·tion·ing
n. the way that something works or operates. It describes how well a person, machine, or system is doing its job.
n. the manner in which something performs its intended purpose or operation. Often used to describe physiological or mechanical processes.
The smooth functioning of the engine is essential for safety.
Doctors are monitoring the patient to ensure the normal functioning of her kidneys after the surgery.
The committee's primary concern was that the internal disputes would eventually impede the effective functioning of the entire regional administration.
Usage
Often modified by an adjective like 'normal', 'smooth', or 'effective' to describe the quality of an operation.