|1.||[ noun ] process or manner of functioning or operating|
"the power of its engine determine its operation" "the plane's operation in high winds" "they compared the cooking performance of each oven" "the jet's performance conformed to high standards"
|Related terms:||work process job go|
|2.||[ adjective ] performing or able to perform its regular function|
"a functioning flashlight"
|Related terms:||malfunctioning running up|