Delta /ˈdɛltə/ (uppercase Δ, lowercase δ or 𝛿; Greek: δέλτα délta, [ˈðelta]) is the fourth letter of the Greek alphabet. A river delta (originally, the Nile River delta) is so named because its shape approximates the triangular uppercase letter delta.
What is E after delta?
The “E” in Delta E stands for “Empfindung,” which is the German word for sensation. Delta is a Greek word that stands for the incremental change of a variable. As a whole, the term Delta E means a difference in sensation.
What is the name of Δ?
Delta Greek AlphabetLetterUppercaseLowercaseDeltaΔδEpsilonΕεZetaΖζEtaΗη20 more rows
What is a delta triangle?
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. The first so-called delta was the Nile Delta, named by the Greek historian Herodotus.
How do you pronounce Δ?
Also, notice that ξ, π, φ, χ, and ψ are pronounced with eye at the end, not ee:α – alpha – æl-fəβ – beta – bee-tə (UK), bei-tə (US)γ – gamma – gæ-məδ – delta – del-təε – epsilon – eps-ill-ən or ep-sigh-lonn (UK), eps-ill-aan (US)ζ – zeta – zee-tə (UK), in the US more commonly zei-tə
What does 3 triangles mean?
The Valknut Meaning The nine points of the triangle have been associated with the nine worlds of Norse mythology, and the three interconnected triangles have been said to reflect the connection between Earth, Heaven and Hell. The symbol has also been associated with ecstatic Seidr magic, of which Odin was a master.
What does Ψ mean in math?
ψ means the result/return value of the function/product.