Meaning & use
delta
A triangular area of land formed where a river deposits sediment as it meets a sea or lake.
See it in a sentence
The Nile Delta supports millions of farmers thanks to its fertile soil.
Wildlife thrives in the wetlands of the Mississippi River Delta.
A note on using this word
Also the fourth letter of the Greek alphabet, used in math and science to represent change, as in "delta T."
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
The fourth letter of the Greek alphabet, often used to represent change or difference.
In the formula, delta represents the change in temperature over time.
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