Definition of autocompletion in English:

autocompletion

Pronunciation /-kəmˈplēSHən/

noun

See autocomplete

‘You can globally specify the folders used for autocompletion if you want.’
  • ‘But the idea of using dynamically recalculated probabilistic autocompletion, based on an adaptable language model, is a terrific one.’
  • ‘It also supports automatic spell-checking and formatting, and its autocompletion feature appears to have a bigger vocabulary than the other version.’