sediments

/S EH1 D AH0 M AH0 N T S/
noun
  1. 1

    A collection of small particles, particularly dirt, that precipitates from a river or other body of water.

    โ€œThe Nile delta is composed of sediment that was washed down and deposited at the mouth of the river.โ€

verb
  1. 1

    To deposit material as a sediment.

  2. 2

    To be deposited as a sediment.

Source: https://en.wiktionary.org/wiki/sediment, https://en.wiktionary.org/wiki/sediments