operating

• (General American) IPA^(key): /ˈɑpəɹeɪtɪŋ/
• (Received Pronunciation) IPA^(key): /ˈɒpəɹeɪtɪŋ/

• Audio (Southern England):

  (file)

• Hyphenation: op‧er‧at‧ing

operating (not comparable)

1. In operation; that operates.

   Antonyms: non-operating, nonoperating

   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.

operating

1. present participle and gerund of operate

operating (uncountable)

1. (uncountable) 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.

• orange tip, orangetip, pignorate