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- DictionaryDel·ta/ˈdeltə/
noun
- 1. the fourth letter of the Greek alphabet (Δ, δ), transliterated as ‘d’.
- 2. a code word representing the letter D, used in radio communication.
symbol
- 1. variation of a variable or function.
- 2. a finite increment.
1. : the 4th letter of the Greek alphabet see Alphabet Table. 2. : something shaped like a capital Greek delta. especially, geology : the alluvial deposit at the mouth of a river. the Mississippi Delta. 3. mathematics : an increment of a variable symbol Δ. 4. : delta wave. During deep sleep, the brain operates in delta wave frequency.
DELTA meaning: 1. an area of low, flat land, sometimes shaped like a triangle, where a river divides into several…. Learn more.
DELTA definition: 1. an area of low, flat land, sometimes shaped like a triangle, where a river divides into several…. Learn more.
A usually triangular mass of sediment, especially silt and sand, deposited at the mouth of a river. Deltas form when a river flows into a body of standing water, such as a sea or lake, and deposits large quantities of sediment.
Named for the fourth letter of the Greek alphabet (shaped like a triangle), a delta is a triangular area where a major river divides into several smaller parts that usually flow into a larger body of water.
A delta is an area of low, flat land shaped like a triangle, where a river splits and spreads out into several branches before entering the sea. It is much easier to dam up a river near the source than near the delta.
DELTA meaning: 1 : the fourth letter of the Greek alphabet Δ or ƍ; 2 : a piece of land shaped like a triangle that is formed when a river splits into smaller rivers before it flows into an ocean.
