discharge

The word "discharge" carries a wide range of meanings, all revolving around the idea of releasing, letting go, or fulfilling an obligation. At its most literal, discharge refers to the expulsion of a substance—think of a wound discharging pus, or a river discharging water into the sea. For instance: "The factory was fined for illegally discharging waste into the harbor."

However, "discharge" is often used in more abstract ways. When someone carries out a duty or responsibility, we say they have discharged it. A person can also be discharged from a role, service, or institution. This is common in military contexts: "After eight years of service, she received her honorable discharge." It also applies to medical and legal situations; a doctor discharges a patient from the hospital once they are stable, and a judge may discharge a jury once a trial concludes.

The term also extends to weaponry and science. It can describe the act of firing a weapon: "The soldier was instructed not to discharge his rifle until given the order." In electronics, a battery discharges as it loses its stored power, and lightning is essentially a massive electrical discharge in the sky. Finally, in finance, to discharge a debt means to settle or pay it off completely: "He finally managed to discharge all his student loans." Whether you're talking about fluids, duties, patients, weapons, or electricity, "discharge" is the go-to word for something being sent forth or finalized.