collapse
Definitions
verb
To break apart and fall down suddenly; to cave in.
A balloon collapses when the gas escapes from it.
To cease to function due to a sudden breakdown; to fail suddenly and completely.
Pyramid schemes tend to generate profits for a while and then collapse.
However much we like to think of ourselves as something special in world history, in fact industrial societies are subject to the same principles that caused earlier societies to collapse.
To fold compactly.
In a hierarchical list (such as a directory tree or table of contents), to hide the subentries of (an entry).
To suffer a batting collapse.
Immediately after his wicket the team collapsed for 69.
noun
The act of collapsing.
She suffered a terrible collapse after slipping on the wet floor.
The top six are assured of continental competition and after making a statement of intent against Stoke, it would take a dramatic collapse for Newcastle to surrender their place.
Constant function, one-valued function (in automata theory) (in particular application causing a reset).
Ellipsis of batting collapse.