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sand

/sænd/noun

Rock that is ground more finely than gravel, but is not as fine as silt (more formally, see grain sizes chart), forming beaches and deserts and also used in construction.

Example sentence

  • “The Canadian tar sands are a promising source of oil.”
nature

Related words

duneA ridge or hill of sand piled up by currents of wind or water.gravelSmall fragments of rock, used for laying on the beds of roads and railways, and as ballast.marshAn area of low, wet land, often with tall grass or herbaceous plants.boulderA large mass of stone detached from the surrounding land.wetlandLand that is covered mostly with water, with occasional marshy and soggy areas.cavernA large cave.