English Lexicon

Sediment

/ˈsɛd.ɪ.mənt/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    Matter that settles to the bottom of a liquid.

    "After the storm, the river was filled with sediment that had washed down from the hills."
  2. 2

    A layer of soil or rock that has been deposited by water, wind, or ice.

    "The sediment in the lake provides important information about the area's geological history."

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Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The word 'sediment' originates from the Latin 'sedimentum', meaning 'a settling', which is derived from 'sedere', meaning 'to sit'. It entered the English language in the late Middle Ages, reflecting the process of materials settling at the bottom of a liquid.

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