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delta

delta

4 5.4
The fourth letter of the Greek alphabet used to show a difference or change
  • noun
  • /ˈdɛltə/
  • Specialized
translation icon : delta
  • In mathematics, delta (Δ) often denotes a change in a quantity over time.
  • epsilon-delta
  • delta > 0
  • delta =

So delta X over delta T is cosine Theta.

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Examples

  • Poor radiators require a higher delta T to transmit the same E as efficient radiators.

    Blog text (18)
  • For arbitrary values of the diffusion ratio delta, we compute the solution to problem (2)-(5) numerically using the boundary-element method.

    Academic text (2018)
  • The new point is at X plus delta X, Y.

  • So I continue to have this delta all the way through, right?

  • Therefore, we consider a range of values for delta, but with a focus on the case delta = 1.

    Academic text (2018)
  • Instead of using delta X, you can use H.

  • And here we're going to plot delta of U.

  • In this case that's delta X and delta T.

  • Once you find this much, that's the delta between the two candidates.

  • If I understand correctly, Lon Hocker is trying to say delta(CO2)/delta(t) = f(SSTavg).

    Blog text (9)

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 is the name of the Greek letter Δ, and in math this letter came to mean a 'difference' or 'change' between values. So, when you see delta in an equation, think of it as the amount of change.