From Wiktionary, the free dictionary

• IPA^(key): /diːˈbʌɡɪŋ/
• Hyphenation: de‧bug‧ging

debugging (usually uncountable, plural debuggings)

1. (computing) The process of finding and resolving bugs or defects that prevent correct operation of computer software or a system.

debugging

1. present participle and gerund of debug