窒ちっ素そ

ち

っ

そ

Common wordFreq.FrequencyTop 20,000

Meanings

noun

nitrogen

Chemical element with symbol N and atomic number 7. Used in scientific and everyday contexts.

空くう気きの約やく78%は窒ちっ素そです。
About 78% of air is nitrogen.
液えき体たい窒ちっ素そはとても冷つめたい。
Liquid nitrogen is very cold.

See all 38 example sentences ›

Usage patterns

〈物もの〉が窒ちっ素そを含ふくむfor something to contain nitrogen
大たい気きの約やく78％は窒ちっ素そを含ふくんでいる。
About 78% of the atmosphere consists of nitrogen.
窒ちっ素そで満みたすto fill (a container) with nitrogen
パッケージの中なかを窒ちっ素そで満みたして食しょく品ひんを保ほ存ぞんする。
The inside of the package is filled with nitrogen to preserve the food.
窒ちっ素そを注ちゅう入にゅうするto inject/pump in nitrogen
タイヤに窒ちっ素そを注ちゅう入にゅうすると空くう気き圧あつが安あん定ていする。
Injecting nitrogen into tires stabilizes the air pressure.

Kanji

窒plug up, obstruct
素elementary, principle, naked

Don't confuse with

酸さん素そN3
窒素 (nitrogen, N) and 酸素 (oxygen, O) are both major components of air and are easily mixed up by learners studying basic chemistry terms.
水すい素そN2
窒素 (nitrogen, N) and 水素 (hydrogen, H) are both gaseous elements with similar-sounding names ending in 素, so learners often confuse which is which.

Word family· 14

Show 5 more

窒ちっ素そ肥ひ料りょう
nitrogen fertilizer
酸さん化か窒ちっ素そ
nitrogen oxide
一いっ酸さん化か窒ちっ素そ
nitric monoxide; nitrogen monoxide
二に酸さん化か窒ちっ素そ
nitrogen dioxide
分ぶん子し状じょう窒ちっ素そ
molecular nitrogen

See all 14 in Explore →

Written forms

窒ちっ素そUsage92%
Standard kanji spelling for nitrogen.
チッソUsage8%

Etymology

Coined in Japan as a calque of the Western term 'nitrogen'. The kanji 窒 means 'to block' or 'suffocate', and 素 means 'element', referring to nitrogen's property of not supporting respiration.