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delta

delta

1 5.1
A triangular shape with all sides the same length
  • noun
  • /ˈdɛltə/
translation icon : triángulo equilátero
  • A star system appeared, complete with color-coded planets, a yellow-white sun, a green dot that represented The Tinker's Damn, and a red delta that symbolized the incoming vessel.
  • delta wing

The print head moves in XY and Z directions, while in a delta printer the head swings around like this.

Examples

  • The design of the new sailboat featured a sleek delta shape for improved stability on the water.

  • A large green delta appeared on the deck in front of him.

    Fiction book (1991)
  • Words appeared beneath the red delta.

    Fiction book (1991)
  • "The ones that were absolutely the best were the ones I used in the geometry classes, the delta kites," Wilson said.

    Blog text (8)
  • The triangular delta kites were able to exceed the displacement speed of the boat, bringing KROS up to 9 knots.

    Blog text (8)
  • In geometry class, we learned how to draw an equilateral triangle, which resembles a delta shape.

  • The artist created a colorful mural that included a large delta design contrasting with the background.

Synonyms

1 3.2

A triangle with all three sides the same length

is the same meaning but serves as an alternate name for that shape

Compounds

delta wave
  • Specialized
1 7.2

A slow, large brain wave that appears during deep, dreamless sleep

delta wing
  • Specialized
1 7.0

A triangular wing used on very fast jets

delta hepatitis
  • Specialized
6.7

A severe liver infection caused by the hepatitis D virus that often happens with hepatitis B

delta iron
  • Specialized
9.9

A form of iron that exists at very high heat between 1403°C and 1532°C just below its melting point

delta ray
  • Specialized
9.9

A fast electron knocked out of an atom when radiation hits it

delta rhythm
  • Specialized
7.7

A very slow, large brain wave that appears during deep dreamless sleep

Kronecker delta
  • Specialized
9.9

A rule that gives 1 when two numbers are the same and 0 when they are different

hepatitis delta
  • Specialized
7.3

A serious liver infection caused by the hepatitis D virus that happens in people who already have hepatitis B

Surface Forms

delta singular
deltas plural

Etymology

Delta can mean a small triangle or triangular shape because the capital Greek letter Δ looks like a 'triangle'. So, calling an object a delta just means it is triangle-shaped.