American Heritage® Dictionary of the English Language, Fourth Edition
- n. The fourth letter of the Greek alphabet. See Table at alphabet.
- n. An object shaped like a triangle.
- n. A usually triangular alluvial deposit at the mouth of a river.
- n. A similar deposit at the mouth of a tidal inlet, caused by tidal currents.
- n. Mathematics A finite increment in a variable.
Century Dictionary and Cyclopedia
- n. The name of the Greek letter
Δ, δ, answering to the Latin and English D. See D.
- n. A triangular island or alluvial tract included between the diverging branches of the mouth of a great river: as, the delta of the Nile, of the Ganges, of the Mississippi, etc.
- n. In anatomy, a triangular space or surface.
- n. The fourth letter of the modern Greek alphabet Δ, δ.
- n. A landform at the mouth of a river where it empties into a body of water.
- n. The letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet.
- n. mathematics The symbol Δ.
- n. computing, informal A small but noticeable effect, compare with epsilon.
- n. computing The set of differences between two versions of a file.
- n. surveying The angle subtended at the center of a circular arc.
GNU Webster's 1913
- n. The fourth letter of the Greek alphabet (Δ δ), corresponding to d. an object having the shape of the capital Δ.
- n. A tract of land shaped like the letter delta (Δ), especially when the land is alluvial and inclosed between two or more mouths of a river.
- n. (Elec.) The closed figure produced by connecting three coils or circuits successively, end for end, esp. in a three-phase system; -- often used attributively
- n. an object shaped like an equilateral triangle
- n. a low triangular area of alluvial deposits where a river divides before entering a larger body of water
- n. the 4th letter of the Greek alphabet
- From Ancient Greek δέλτα (delta). (Wiktionary)
- Middle English, from Latin, from Greek, of Phoenician origin; see dl in Semitic roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
“The term "delta" originally was used to measure risk in options to buy or sell stocks”
“Joining, what they call a delta formation, the final formation, and that's when the jet crashed and that crash caused damages to eight structures.”
“These trajectories can trade ~15% reduction in delta v for a 100 day travel time, and therefore”
“But even that wasn't enough: Nunes went on to insult the families and fishermen who depend on the "billion dollar salmon fishery" wiped out by the collapse of the Sacramento-San Joaquin delta ecosystem.”
“Yes | No | Report from KingFisher907 wrote 27 weeks 3 days ago howdy moishe! we have land down in delta, are you still in AK?”
“In his program brief, he will call attention to the fact that around the world cities are situated on low-lying coastal zones and in delta regions where rivers enter the sea.”
“The lower Mississippi delta is literally nothing less than landscape design by army hydrologists.”
“A nice view of the Amazon delta and the Nile delta is out there today.”
“Around the world cities are situated on low-lying coastal zones and in delta regions where rivers enter the sea.”
“If he would have seen fit to fund levee repair and maintain delta wetlands, damage would have been less severe.”
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Looking for tweets for delta.