Definition of CGI in English:

CGI

noun

mass noun
  • Computer-generated imagery (special visual effects created using computer software)

    ‘fewer real stunts are performed because filmmakers can just use CGI’
    as modifier ‘it's a mixture of live action and CGI animation’

Computing
  • Common Gateway Interface.

Pronunciation

CGI

/siːdʒiːˈʌɪ/