Japanese word

二酸化炭素

Pronunciation

Romajinisankatanso

Meaning

  • nouncarbon dioxide

Example

空気には二酸化炭素が含まれています。kū ki ni wa ni san ka tan so ga fuku ma re te i ma su

The air contains carbon dioxide.

Illustration for 二酸化炭素 (carbon dioxide)

More examples

自動車の利用を減らすと、二酸化炭素の排出を抑えられます。ji dō sha no ri yō o he ra su to ni san ka tan so no hai shutsu o osa e ra re ma su

Reducing car use can help limit carbon dioxide emissions.

Core concept

Names a gas whose molecules contain one carbon atom and two oxygen atoms.

Common phrases

  • 二酸化炭素濃度ni san ka tan so nō do

    carbon dioxide concentration

  • 二酸化炭素を排出するni san ka tan so o hai shutsu su ru

    emit carbon dioxide

Similar words

炭酸ガスtansangasu: A common name for the colorless gas used in beverages, fire extinguishers, and industrial processes.

Definition in Japanese

炭素原子一個と酸素原子二個から成る、無色無臭の気体。tan so gen shi ichi ko to san so gen shi ni ko ka ra na ru mu shoku mu shū no ki tai

Word origin

The Japanese term 二酸化炭素 (nisankatanso, "carbon dioxide") combines 二酸化 (nisanka, "dioxide") and 炭素 (tanso, "carbon"); 二酸化 indicates two oxygen atoms in a compound.

Usage tips

  • In everyday English, carbon dioxide is usually an uncountable substance, so "air contains carbon dioxide" is natural, while "a carbon dioxide" is not.

Word lists with this word