auto-completionn.
/ˌɔːtə(ʊ)kəmˈpliːʃn/, U.S. /ˌɔdoʊkəmˈpliʃ(ə)n/, /ˌɔdəkəmˈpliʃ(ə)n/, /ˌɑdoʊkəmˈpliʃ(ə)n/, /ˌɑdəkəmˈpliʃ(ə)n/ Computing.
The automatic completion of a word, string of characters, etc., by a software application which uses text already entered in a given field to predict or generate the characters the user is likely to enter next. Cf. auto-complete n.
ΚΠ
1980 A. Gade et al. Proc. Human Factors Soc. 24th Ann. Meeting 418/1 The use of autocompletion should decrease entry time because fewer keystrokes are required.
1982 J. A. Larson Tutorial: End User Facilities in 1980's iii. 48/2 Four different manual data entry methods: typing, typing with an error corrector, menus, and autocompletion.
1987 Infoworld 25 May 50/4 One of my favorite top DOS tricks is the Auto-Completion command.
2003 Business Communications Rev. 33 1 Aventail includes secure logoff, cache content blocking and blocking of ‘auto completion’.
2009 Washington Post (Nexis) 5 July g2 Chrome offers minimal bookmarking support, relying instead on address auto-completion and the shortcuts to most-visited sites that it shows when you open a new tab.
This is a new entry (OED Third Edition, June 2011; most recently modified version published online December 2021).
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n.1980