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| dune A low mound, ridge, bank, or hill of loose, windblown granular material (generally sand, sometimes volcanic ash), either bare or covered with vegetation, capable of movement from place but always retaining its characteristic shape; dune | |||
| sand dunes | |||
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| dune | |||
| sand dune | |||
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dunas : 57 phrases in 7 subjects |
| Earth sciences | 8 |
| Environment | 21 |
| Life sciences | 4 |
| Name of organization | 1 |
| Natural sciences | 11 |
| Soil science | 10 |
| United Nations | 2 |