Sediment



GRE TOEFL

解释

GRE 红宝书

• n. 沉淀物, 渣
• ［英］ n. 沉淀物, 渣 ( the matter that settles to the bottom of a liquid)
• ［记］ sedi ( 坐) +ment -> 坐下去的东西 -> 沉淀物

Webster Collegiate

I. noun

• Etymology: Latin sedimentum settling, from sedēre to sit, sink down
• Date: 1547
• 1. the matter that settles to the bottom of a liquid
• 2. material deposited by water, wind, or glaciers

II. *Date: 1859

• transitive verb
  • to deposit as sediment
• intransitive verb
  • 1. to settle to the bottom in a liquid
  • 2. to deposit sediment

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