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| Subject | English | Italian |
| nat.sc., environ. | coastal sand dune | duna marittima |
| met. | dune sand | sabbia di duna |
| environ. | sand dune An accumulation of loose sand heaped up by the wind, commonly found along low-lying seashores above high-tide level, more rarely on the border of large lakes or river valleys, as well as in various desert regions, where there is abundant dry surface sand during some part of the year | dune di sabbia |
| environ. | sand dune | dune di sabbia |
| earth.sc. | sand dune | duna sabbiosa |
| environ. | sand dune fixation Stabilization of dunes effected by the planting of marram grass (Ammophila arenaria), or rice grass, whose long roots bind the surface layers of sand and so hinder its removal by wind. A larger scale method of dealing with the same problem is by afforestation | stabilizzazione delle dune di sabbia |
| environ. | sand dune fixation | stabilizzazione delle dune di sabbia |