Delta

/ˈdɛltə/

Meaning & Definition

noun

A landform at the mouth of a river created by the deposition of sediment.

The Nile Delta is a fertile area that supports agriculture and wildlife.

A difference or change in a quantity, often represented as a symbol (Δ) in mathematics and science.

The delta in temperature between day and night can be quite significant in desert regions.

In finance, a measure of the sensitivity of an option's price to changes in the price of the underlying asset.

The delta of a call option typically ranges from 0 to 1, indicating how much the option price will change with the underlying asset's price.

verb

To form a delta shape or to deposit sediment at the mouth of a river.

As the river slowed, it began to delta into the sea, creating new land.

From the Greek letter 'delta', which is named after its shape resembling a triangle.

delta force

A specialized unit of the U.S. Army responsible for counter-terrorism and hostage rescue operations.

delta variant

A variant of the COVID-19 virus that has mutations making it more transmissible.

delta time

In physics and engineering, refers to the time interval between two events.

estuary

A coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.

sediment

Solid material that is deposited by water, wind, or ice, often contributing to the formation of landforms.

distributary

A river or stream that branches off and flows away from the main river.

An abbreviation for the word 'delta' used in military contexts.

The delta team was deployed for the operation.

A term used in gaming to refer to a strategic point or area to control.

We need to secure the delta before moving forward.