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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

A triangular or fan shaped piece of land made by deposits of mud and sand at the mouth of a river. Also: the fourth letter of the Greek alphabet.

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Usage examples (37)
  • Migratory water fowl may be found at a delta.
  • There is a predominance of what we call delta waves.
  • A nice view of the Amazon delta and the Nile delta is out there today.
  • These trajectories can trade ~15% reduction in delta v for a 100 day travel time, and therefore
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