Japanese word

化合

Pronunciation

Romajikagō

Meaning

nounchemical combination

Example

物質が化合すると、新しい物質ができます。bus shitsu ga ka gō su ru to atara shi i bus shitsu ga de ki ma su

When substances combine chemically, a new substance is formed.

Illustration for 化合 (chemical combination)

More examples

化合の前後で、物質の性質を比較します。ka gō no zen go de bus shitsu no sei shitsu o hi kaku shi ma su

We compare the properties of substances before and after chemical combination.

Core concept

Refers to the process in which separate substances unite chemically and become a substance with new properties.

Common phrases

化合による変化ka gō ni yo ru hen ka
change caused by chemical combination
化合の条件ka gō no jō ken
conditions for chemical combination

Similar words

合成gōsei: The process of producing a new substance from simpler substances, often through a chemical reaction.
混合kongō: The process of combining substances without changing them into a new substance.
結合ketsugō: The joining of substances or parts to form a connected unit, with or without a chemical change.

Definition in Japanese

複数の物質が化学反応によって結合し、性質の異なる新たな物質を生じること。fuku sū no bus shitsu ga ka gaku han nō ni yo tte ketsu gō shi sei shitsu no koto na ru ara ta na bus shitsu o shō ji ru ko to

Word origin

The Sino-Japanese word 化合 (kagō) consists of 化 (ka, "change") and 合 (gō, "join"), linking chemical change with union.

Usage tips

Japanese science classes use 化合 (kagō) for a change that produces a new substance, while mixing leaves the substances unchanged.

Related words

化合物kagōbutsuchemical compoundnoun
化合するkagōsurucombine chemicallyverb