elasticity

弾力性、伸縮性

伸びたり曲がったりした後に、元の形に戻る性質。

やさしい英語で： The ability of something to stretch or bend and then return to its usual shape.

• This fabric has plenty of elasticity.
• Skin loses some elasticity as people get older.
• We tested the elasticity of the rubber bands.

類義語： springiness, stretchiness

反対語： inelasticity

よく使う表現： skin elasticity, fabric elasticity, lose elasticity, material elasticity

弾力性

ある量の変化に応じて別の量が変わる度合い。特に価格に対する需要の変化。

やさしい英語で： How much one amount changes when another amount changes, especially demand when prices change.

• The economist calculated the price elasticity of demand.
• Demand elasticity varies between different types of goods.
• A higher income elasticity means spending responds more strongly to income changes.

使い方： elasticity of something (The study measured the elasticity of demand for petrol.)

類義語： responsiveness, sensitivity

反対語： inelasticity

よく使う表現： price elasticity, elasticity of demand, income elasticity

適応力、柔軟性

変化や難しい状況に柔軟に対応できる力。

やさしい英語で： The ability to adjust easily to changes or difficult situations.

• Her mental elasticity helped her adjust to the new role.
• The plan allows some elasticity when circumstances change.
• He showed remarkable elasticity of spirit after the setback.

類義語： adaptability, flexibility, resilience

反対語： rigidity, inflexibility

よく使う表現： mental elasticity, elasticity of mind, emotional elasticity