delta

/ˈdɛltə/

Definitions

1. noun

A landform that forms a depression where a river divides into two or more channels, often forming a triangular shape.

“The delta of the Mississippi River is a unique ecosystem that supports a wide variety of plant and animal life.”

2. noun

A region of low atmospheric pressure near the ground, often accompanied by thunderstorms.

“A low-pressure delta moved into the area, bringing heavy rain and strong winds.”

3. noun

In computing, a delta refers to the difference between two versions of a file or dataset.

“The software updated the delta between the old and new versions of the database.”

4. noun

In mathematics, a delta is often used to represent a small change in a variable or function.

“The delta of the function was calculated using the limit of the difference quotient.”

5. proper noun

The Delta Aquariid meteor shower, a periodic meteor shower that occurs in July and August.

“The Delta Aquariid meteor shower is known for producing bright, fast-moving meteors.”

Synonyms

  • depression
  • landform
  • region

Antonyms

  • peak
  • ridge