411 REFERENCE · Wiktionary
Ruckänderung
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
German
de:Ruck#+
Etymology
de :af Ruck<t:jerk> Änderung<t:change>
From de Ruck Änderung jerk change.
Noun
f
de physics snap, jounce
de Knall
Declension
f
de Acceleration