auf|rufen
Translation
to call up, to call out, to launch (IT), to appeal
Examples
Der Arzt ruft den nächsten Patienten auf.
The doctor calls the next patient.
Die Organisation ruft zu Spenden auf.
The organization is appealing for donations.
Ich rufe die Webseite auf.
I am opening the website.
Grammar Patterns
((sb.)) to call on/out sb. Der Arzt ruft den nächsten Patienten auf.
((to sth.)) to appeal for sth. Die Organisation ruft zu Spenden auf.
((sth.)) to open/launch sth. (IT) Ich rufe die Webseite auf.
Similar Words
Synonyms: nennen (to name), appellieren (to appeal), starten (to launch, IT); Antonyms: schließen (to close, IT)
Etymology
From 'auf-' (up, out) and 'rufen' (to call). It literally means 'to call up' or 'to call out', like calling a name from a list or calling people to action.
Memory Tips
Picture a teacher 'calling up' ('aufrufen') a student to answer a question. Or 'calling up' a file on a computer.