sediment

sédiment, dépôt

Petites particules solides qui se déposent au fond d’un liquide.

En anglais simple : Small pieces of solid material that settle at the bottom of a liquid.

• There is sediment in the bottle.
• The river carries sediment down to the sea.
• Scientists examined layers of sediment from the lake.

Synonymes : deposit

Expressions courantes : river sediment, fine sediment, layer of sediment

sédimenter

Faire tomber les petites particules solides d’un liquide au fond pour qu’elles s’y accumulent.

En anglais simple : To cause small solid pieces in a liquid to collect at the bottom.

• The machine sediments the particles.
• We sedimented the cells using a centrifuge.
• This method sediments fine material from the liquid.

Synonymes : settle, deposit

Expressions courantes : sediment the particles, sediment a sample

se déposer, sédimenter

Descendre dans un liquide et s’accumuler au fond.

En anglais simple : To sink through a liquid and collect at the bottom.

• The particles sediment slowly.
• Fine sand sedimented at the bottom of the tank.
• Leave the mixture until the solids have sedimented.

Synonymes : settle, sink

Expressions courantes : sediment slowly, sediment under gravity