2020欧洲杯时间

sediment

Sediment is the accumulation of sand and dirt that settles in the bottom of lakes. Sediment is also what you get in the bottom of a glass of iced tea when the sugar doesn’t all dissolve.

The noun sediment comes from the Latin word sedere2020欧洲杯时间, meaning “to settle,” or “sit.” Sediment is the little bits of solids that sink to the bottom of a container of liquid, whether that container is a body of water or a holding tank at a sewage treatment plant. Millions of years ago, lakes dried up and glaciers compressed their sediment. In this sedimentary rock, fossils are found, giving us clues about prehistoric life.

Definitions of sediment
1

n matter that has been deposited by some natural process

Synonyms:
deposit
Types:
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alluvial deposit, alluvial sediment, alluvion, alluvium
clay or silt or gravel carried by rushing streams and deposited where the stream slows down
dregs, settlings
sediment that has settled at the bottom of a liquid
lees
the sediment from fermentation of an alcoholic beverage
lick, salt lick
a salt deposit that animals regularly lick
evaporite
the sediment that is left after the evaporation of seawater
delta
a low triangular area of alluvial deposits where a river divides before entering a larger body of water
grounds
dregs consisting of solid particles (especially of coffee) that form a residue
placer
an alluvial deposit that contains particles of some valuable mineral
Type of:
matter
that which has mass and occupies space

v deposit as a sediment

Type of:
deposit, fix, posit, situate
put (something somewhere) firmly

v settle as sediment

Type of:
settle, settle down
settle into a position, usually on a surface or ground

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