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/djuːn/ · noun
(geomorphology) A ridge or hill of sand piled up by currents of wind or water..
Heavy line segments (lengthened for clarity) indicate locations of deep-sea dunes.
In the early 2000s, space probes [confirmed Mars as] having dunes […] Their shapes are identical to their Saharan cousins', but they are ten times bigger. In contrast, underwater dunes are a hundred times smaller than their counterparts on solid ground. This universality of dunes is a blessing for physicists: their comparative study confirmed the models that describe the formation of dunes on Earth.
Use dune when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Dune means (geomorphology) A ridge or hill of sand piled up by currents of wind or water..
Common synonyms include sand dune, sand-dune.
Possible antonyms include dyke, dike.
Heavy line segments (lengthened for clarity) indicate locations of deep-sea dunes.
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