Definition of overturn in English:

overturn

Line breaks: over|turn

verb

Pronunciation: /əʊvəˈtəːn
 
/
[with object]

noun

Pronunciation: /ˈəʊvətəːn
 
/
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  • 1An act of overturning something.
    More example sentences
    • For the most part the only people who actually bothered to look at the registration rolls and allow the overturn of bogus objections were a few retirees who volunteer as polling officials during elections.
    • After the overturn of the Qing dynasty, Chinese intellectuals turned their eyes to Western countries and sought new ideas.
    • We had five overturned sledge accidents - every one of our sledges suffered an overturn or two, but luckily no significant damage was incurred.
  • 1.1 [mass noun] Ecology The occasional (typically twice yearly) mixing of the water of a thermally stratified lake.
    More example sentences
    • The pattern of polygonal ridges bounding dish-shaped depressions is interpreted as the product primarily of embryonic overturn of this gravitationally unstable system.
    • In addition oceanic overturn might have brought biologically toxic bottom waters to the surface during periods of climatic change.
    • Some of the largest mafic magmatic events may be related to catastrophic mantle overturn events or slab avalanches.

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Pronunciation: məˈlôrd
noun
used to address an English nobleman