operating
adjectiveUK /ˈɒpəreɪtɪŋ/
US /ˈɑːpəreɪtɪŋ/
Working or being used right now.
The operating hours of the library are from nine to five.
RELATED WORDS
OTHER MEANINGS
2. Relating to a medical operation.
The operating room was kept very clean.
3. Relating to the way a business or machine works.
The company's operating costs went up last year.
4. Involving the use of a computer system.
She is learning about operating systems in her class.