delta

Words with a similar base: delta

'delta'

[delta.n.01] as in: a low triangular area of alluvial deposits where a river divides before entering a larger body of water

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Examples:
the Mississippi River delta
the Nile delta

'delta'

[delta.n.02] as in: an object shaped like an equilateral triangle

'delta'

[delta.n.03] as in: the 4th letter of the Greek alphabet