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say it: DEL-tuh
delta is a noun meaning "a low triangular area of alluvial deposits where a river divides before entering a larger body of water". It is pronounced /ˈdɛltə/ — DEL-tuh. It carries 3 recorded senses.
a low triangular area of alluvial deposits where a river divides before entering a larger body of water
“the Mississippi River delta”
“the Nile delta”
an object shaped like an equilateral triangle
the 4th letter of the Greek alphabet
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for delta come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.