Implosion (noun)

1. A sudden inward collapse of a structure or container, resulting from external pressure that exceeds the strength of the structure.
2. A sudden and rapid decrease in the size or amount of something, especially a business or organization.

Origin:

Derived from the latin word 'implodere' meaning 'to fold in, collapse inward', 'implosion' has been in use in english language since 19th century.

Examples:

1. The building suffered an implosion after a gas explosion in the basement.
2. The implosion of the company resulted in widespread job losses.
3. The implosion of the star resulted in a supernova.
4. The implosion of the economy was imminent if the government didn't take action.
5. The implosion of the balloon was a result of the rapid decrease in pressure inside it.