element

要素、構成部分

大きな物事や計画、状況を構成する一つの部分。

やさしい英語で： One part of a larger thing, plan, or situation.

• Music is a key element of the show.
• The plan contains several useful elements.
• There was an element of risk in her decision.

使い方： an element of something (Trust is an essential element of friendship.)

類義語： part, component, aspect

よく使う表現： key element, essential element, element of something, important element

元素

鉄や酸素のように、一種類の原子だけからなる基本的な物質。

やさしい英語で： A basic substance, such as iron or oxygen, made of only one kind of atom.

• Iron is a chemical element.
• Water contains the elements hydrogen and oxygen.
• Which element has the symbol C?

類義語： chemical element

反対語： compound

よく使う表現： chemical element, element symbol, metallic element, pure element

元素、四大元素

昔、万物を構成すると考えられた土・水・空気・火のそれぞれ。

やさしい英語で： One of earth, water, air, and fire, once thought to make up everything in the world.

• Fire was considered an element.
• Ancient thinkers described four basic elements.
• The philosopher believed each element had different qualities.

類義語： classical element

よく使う表現： classical element, element of fire, element of earth