flotation

浮揚、浮力

水などの液体の表面に浮いたままでいること。

やさしい英語で： 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.

類義語： buoyancy

よく使う表現： flotation device, flotation aid, provide flotation

株式公開、新規株式公開

会社の株式を、通常は初めて一般の人々に売り出すこと。

やさしい英語で： 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.

類義語： initial public offering, share offering

よく使う表現： stock market flotation, company flotation, planned flotation

浮力

軟らかい地面や雪の上で深く沈まずにいられる性質。

やさしい英語で： 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.

よく使う表現： snowshoe flotation, tire flotation, improve flotation

浮遊選鉱

水中の特定の鉱物粒を気泡につけて浮かせ、分離する方法。

やさしい英語で： 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.

よく使う表現： froth flotation, flotation tank, flotation process