depletion

/dษชหˆpliหสƒษ™n/
noun
  1. 1

    The act of depleting, or the state of being depleted; exhaustion.

  2. 2

    The consumption of a resource faster than it can be replenished.

  3. 3

    The act of relieving congestion or plethora, by purging, blood-letting, or reduction of the system by abstinence.

Source: https://en.wiktionary.org/wiki/depletion