帮助中心

delta

[ˈdɛltə]

delta Definition

  • 1the fourth letter of the Greek alphabet (Δ, δ)
  • 2a triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets
  • 3the difference between two values or quantities

Using delta: Examples

Take a moment to familiarize yourself with how "delta" can be used in various situations through the following examples!

  • Example

    The Nile delta is one of the most fertile regions in the world.

  • Example

    The delta of the Mississippi River is constantly changing due to erosion and sedimentation.

  • Example

    The delta between the two companies' profits is significant.

  • Example

    The delta in temperature between day and night can be extreme in the desert.

delta Synonyms and Antonyms

Phrases with delta

  • delta force

    an elite special operations unit of the US Army specializing in counter-terrorism and other high-risk missions

    Example

    The Delta Force was deployed to rescue hostages from the terrorists.

  • a triangular wing used on some aircraft designs to provide high maneuverability and stability at high speeds

    Example

    The F-16 fighter jet has a delta wing design.

  • a style of blues music originating in the Mississippi Delta region, characterized by slide guitar and harmonica

    Example

    Robert Johnson is considered one of the greatest delta blues musicians of all time.

Origins of delta

from the Phoenician letter 'dālet', meaning 'door'

📌

Summary: delta in Brief

The term 'delta' [ˈdɛltə] has multiple meanings. It can refer to the fourth letter of the Greek alphabet, a triangular tract of sediment at the mouth of a river, or the difference between two values or quantities. Examples include 'The Nile delta is one of the most fertile regions in the world,' and 'The delta between the two companies' profits is significant.' 'Delta' also appears in phrases like 'delta force,' referring to an elite special operations unit, and 'delta blues,' a style of blues music originating in the Mississippi Delta region.