operating

adjectiveverbnouncommon in dialogue

United Kingdom//ˈɒpəɹeɪtɪŋ//
United States//ˈɑpəɹeɪtɪŋ//

In operation; that operates.

adjective

1
In operation; that operates.
Don't touch the operating machinery.
2
Involved in an operation.
The team arbitrarily chose that one operating frame of reference which we all use today.

verb

1
Also a form of operatepresent participle and gerund of operate

noun

1
Synonym of operation (in the uncountable sense).
Sure, academic medicine is fascinating — but operating is the reason I became a surgeon.
Operating on conscious patients involves some additional considerations.

opera · A theatrical work, combining drama, music, song and sometimes…operate · To perform a work or labour; to exert power or strength,…operated · Operated by the means specified e.g. a battery-operated toy.

operating · In operation; that operates.

operation · The method by which a device performs its function.operational · Of or relating to operations, especially military operations.operations · Any practically minded combination of business…

The neighbouring pages — Alphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.