say it: AH-pur-ay-ting
operating is an adjective meaning "involved in a kind of operation". It carries 2 recorded senses.
involved in a kind of operation
“the operating conditions of the oxidation pond”
being in effect or operation
“de facto apartheid is still operational even in the `new' African nations”
“bus service is in operation during the emergency”
“the company had several operating divisions”
Definitions, synonyms and semantic relations for operating come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.