sand-dune

A camel walks over a large sand-dune in the desert.

Definition

1. Noun:
   • A sand-dune is a mound or ridge of loose sand grains that has been shaped and moved by the wind, typically found in deserts, along coastlines, or in other sandy environments.

Usage Examples

• (A ridge of sand formed by wind.)
• (A mound of sand near the shore.)
• (A moving accumulation of sand.)

Advanced Usage

• "to crest a sand-dune": to reach the top of a sand-dune.

  • The hikers finally crested the sand-dune and saw the oasis below. (They reached the highest point of the dune.)

• "sand-dune stabilization": the process of preventing sand-dunes from eroding or moving, often by planting vegetation.

  • Sand-dune stabilization is crucial to protect coastal communities from storms. (Methods to fix dunes in place.)

Variants and Related Words

• Dune (n): a shorter, more general term for a mound of sand (a sand-dune is a specific type of dune).

  • The desert is covered in large dunes. (Mounds of sand.)

• Sand-dune system (n): a group or series of sand-dunes that interact with each other.

  • The coastal sand-dune system provides a natural barrier against waves. (A network of dunes.)

Synonyms

• Dune: a mound of sand (often used interchangeably with sand-dune).
• Mound of sand: a descriptive phrase for a sand-dune.
• Sand ridge: a long, narrow sand-dune.

Related Idioms

• "Like a sand-dune in the wind": describes something that is constantly changing or unstable.

  • His opinions shift like a sand-dune in the wind — never the same for long. (His views are changeable.)

• "To bury one's head in the sand-dune": a variation of "to bury one's head in the sand," meaning to ignore a problem.

  • Stop acting like a sand-dune and face the issue. (Stop avoiding reality.)