Longman Dictionary of Contemporary English homepage

Topic: GEOLOGY

Date: 1500-1600
Language: Latin
Origin: sedimentum, from sedere 'to sit, sink down'

sediment

 noun
     
sed‧i‧ment [uncountable and countable]
HEODFD solid substances that settle at the bottom of a liquid:
a thick layer of sediment
Definition of sediment from the Longman Dictionary of Contemporary English within
the topic GEOLOGY
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pyrites

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