Emission: meaning, definitions and examples

Used mostly in environmental and scientific contexts to refer to the release of substances, especially gases, into the atmosphere.

• The factory has reduced its carbon emissions
• Vehicle emissions are a major contributor to air pollution

Often used in medical or legal contexts referring to the release or letting go of something or someone. In environmental contexts, it can refer to the release of liquids, especially waste.

• The patient was discharged from the hospital
• The factory was fined for illegal discharge of chemicals into the river

A general term that can be used in many different contexts, including the letting go or liberation of something or someone, such as animals, information, or substances.

• The company is planning to release the new product next month
• He was released from prison after serving his sentence

Specifically refers to gases emitted by engines or machinery, often as a byproduct of burning fuel. Also used to convey physical or mental fatigue but not in a scientific context.

• Car manufacturers are working to reduce exhaust emissions
• I am exhausted after the long hike

Typically used in the context of the release of substances, such as gases or radiation, into the environment.

• The car manufacturers are working to reduce carbon emissions.
• Factories in the area have been cited for excessive emission of pollutants.

Often used in the context of officially distributing or releasing documents, permits, or securities such as bonds and stocks.

• The issuance of parking permits will begin next Monday.
• The company announced the issuance of 1 million new shares.

Used when presenting something for someone to accept or reject, often in the context of selling products, providing services, or extending proposals.

• The store has a special offer on laptops this week.
• He made an offer to buy the house for $300,000.

Refers to the exchange of a product or service for money, often highlighted in retail contexts, promotional events, or transactions.

• The holiday sale starts tomorrow with discounts on all items.
• They completed the sale of their business to an international company.