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delta

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delta

Main Entry:: ¹del·ta
Pronunciation:: \ˈdel-tə\
Function:: noun
Etymology:: Middle English deltha, from Greek delta, of Semitic origin; akin to Hebrew dāleth daleth
Date:: 13th century

1: the 4th letter of the Greek alphabet — see alphabet table2: something shaped like a capital Greek delta ; especially : the alluvial deposit at the mouth of a river3: an increment of a variable —symbol Δ4: delta wave

— del·ta·ic

Listen to the pronunciation of deltaic

\del-ˈtā-ik\ adjective

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