delta

delta

Terra formata da sabbia e fango depositati da un fiume dove sfocia in un lago o nel mare.

In inglese semplice: An area of land formed by sand and mud where a river flows into a lake or sea.

• The river has a wide delta.
• Many birds live in the delta.
• Floods brought fresh mud to the delta.

Espressioni comuni: river delta, Nile delta, delta region

delta

Quarta lettera dell’alfabeto greco, scritta Δ o δ.

In inglese semplice: The fourth letter of the Greek alphabet, written as Δ or δ.

• Delta is a Greek letter.
• Write a lowercase delta beside the number.
• The teacher showed us how to pronounce delta.

Espressioni comuni: Greek delta, lowercase delta, capital delta, small delta

delta

Simbolo Δ usato per indicare quanto cambia una quantità.

In inglese semplice: The symbol Δ used to show how much a quantity changes.

• Delta shows the change in temperature.
• Calculate delta by subtracting the first value from the second.
• The engineer used delta V to describe the change in speed.

Espressioni comuni: delta V, delta value, calculate delta