delta Hear it!

delta definition

delta (del)

noun

  1. the fourth letter of the Greek alphabet (Δ, δ)
  2. something in the shape of a delta (Δ); specif., a tract of flat land, usually triangular, formed by deposits of soil and sand at the mouth of a large river

Etymology: L < Gr delta, of Sem orig., as in Heb dāleth, 4th letter of the alphabet, lit., door

adjective

  1. of, in, or from the Delta Delta blues
  2. Chem. see alpha

Related Forms:

  • deltaic del·ta′ic (del tāik) adjective
delta Idioms

the Delta

low-lying region in NW Miss., extending eastward from the Mississippi River

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