元 素(げんそ)

げんそ

noun

element (chemical)

1. chemical element

A pure substance consisting of atoms that all have the same number of protons; one of the fundamental building blocks of matter.

水素(すいそ)は元素(げんそ)だ。

Hydrogen is an element.

元素(げんそ)記号(きごう)を覚(おぼ)える。

I'm memorizing the element symbols.

周期表(しゅうきひょう)には118の元素(げんそ)がある。

The periodic table has 118 elements.

元素(げんそ) refers specifically to chemical elements — the fundamental substances that cannot be broken down further by chemical means.

Common collocations

元素(げんそ)記号(きごう): element symbol (e.g., H, O, Fe)
元素(げんそ)周期表(しゅうきひょう): periodic table of elements
放射性(ほうしゃせい)元素(げんそ): radioactive element
希土類(きどるい)元素(げんそ): rare earth element
微量(びりょう)元素(げんそ): trace element

CONTRAST WITH 要素(ようそ):
元素(げんそ) is strictly a chemistry term. 要素(ようそ) means 'element' in the general sense of a component or factor (e.g., 成功(せいこう)の要素(ようそ) = elements of success).

Related words

Related Words

Related: 原子(げんし) (atom)

Related: 分子(ぶんし) (molecule)

Related: 化合物(かごうぶつ) (compound)

Related: 周期表(しゅうきひょう) (periodic table)

general

Added 2026.2.3 14:02 · Revised 2026.9.2 13:01

09500/09662_genso