Element
01
元素, 成分
a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties
例
Oxygen is an essential element for human respiration.
元素は人間の呼吸にとって不可欠な成分です。
02
an abstract component or essential part of something
例
Carbon is a crucial element in organic chemistry.
03
a physical part of a whole, especially one that can be separated, replaced, or attached within a system
04
the natural conditions or environment most suitable for a plant or animal
05
a straight line that forms part of the surface of a cylinder or cone
例
Geometers study how each element defines the cone's surface.
06
the state or situation in which someone feels most natural, effective, or at ease
例
On stage, she was in her element.
07
one of the four basic substances—earth, water, air, fire—believed in ancient and medieval thought to make up the physical world
