flotation

flottaison

Fait de rester à la surface de l’eau ou d’un autre liquide.

En anglais simple : The state of staying on the surface of water or another liquid.

• The foam provides flotation.
• Everyone on the boat wore a flotation device.
• The jacket offers enough flotation to keep your head above water.

Synonymes : buoyancy

Expressions courantes : flotation device, flotation aid, provide flotation

introduction en bourse

Vente des actions d’une entreprise au public, généralement pour la première fois.

En anglais simple : The sale of a company’s shares to the public, usually for the first time.

• The company announced its flotation.
• Investors bought shares during the stock market flotation.
• They delayed the flotation until market conditions improved.

Synonymes : initial public offering, share offering

Expressions courantes : stock market flotation, company flotation, planned flotation

portance

Capacité à rester sur un sol mou ou sur la neige sans s’enfoncer profondément.

En anglais simple : The ability to stay on top of soft ground or snow without sinking deeply.

• Wide tires improve flotation on soft sand.
• These snowshoes provide good flotation in deep snow.
• The vehicle’s flotation helps it cross muddy ground.

Expressions courantes : snowshoe flotation, tire flotation, improve flotation

flottation

Séparation de minéraux dans l’eau en faisant adhérer certaines particules à des bulles d’air qui remontent à la surface.

En anglais simple : Separating minerals in water by making selected particles stick to air bubbles and rise to the surface.

• The mine uses flotation to separate minerals.
• Air bubbles carry selected particles upward during flotation.
• The flotation tank produced a layer of mineral-rich foam.

Expressions courantes : froth flotation, flotation tank, flotation process