The symbols Δt and ΔT (spoken as "delta T") are commonly used in a variety of contexts.

Time

• ΔT (timekeeping) the difference between two time scales, Universal Time and Terrestrial Time, which results from a drift in the length of a day
• The interval of time used in determining velocity
• The increment between successive nerve impulses

Temperature

• To mean a difference in temperature including thermodynamic temperature, may occur in
  • Discussions of climate change
  • Discussions of heat transfer
  • Discussions of the effects of thermal gradients

See also

• Delta time (disambiguation)
• Finite difference for the mathematics of the Δ operator
• Delta (letter) for the Greek letter Δ
• ∂ for the mathematical symbol used in the notation "∂T"

This disambiguation page lists articles associated with the title ΔT.
If an internal link led you here, you may wish to change the link to point directly to the intended article.