Medical Dictionary

2collapse

noun

Medical Definition of COLLAPSE

1
:  a breakdown in vital energy, strength, or stamina :  complete sudden enervation <the daughter's mental collapse through mounting frustration—Leslie Rees>
2
:  a state of extreme prostration and physical depression resulting from circulatory failure, great loss of body fluids, or heart disease and occurring terminally in diseases such as cholera, typhoid fever, and pneumonia
3
:  an airless state of a lung of spontaneous origin or induced surgically—see atelectasis
4
:  an abnormal falling together of the walls of an organ <collapse of blood vessels>

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