窒素(ちっそ)

ちっそ
noun
nitrogen
technicalscience
1. nitrogen
A chemical element (N) that makes up about 78% of Earth's atmosphere. An odorless, colorless gas essential for plant growth and used in various industrial processes.
空気(くうき)の約(やく)78%は窒素(ちっそ)だ。
About 78% of the air is nitrogen.
液体(えきたい)窒素(ちっそ)は非常(ひじょう)に低(ひく)い温度(おんど)で使(つか)われる。
Liquid nitrogen is used at extremely low temperatures.
植物(しょくぶつ)の成長(せいちょう)には窒素(ちっそ)を含(ふく)む肥料(ひりょう)が必要(ひつよう)だ。
Plants need fertilizer containing nitrogen in order to grow.

Usage

窒素(ちっそ) is used in science, agriculture, and everyday contexts. The kanji 窒(ちっ) means "suffocate" and 素(そ) means "element," reflecting the fact that nitrogen alone does not support breathing.

Common collocations

Related words

Other element names built on 素(そ):

Related Words

Related: 酸素(さんそ) (oxygen)
Related: 水素(すいそ) (hydrogen)
Related: 炭素(たんそ) (carbon)
general
Added 2026.2.13 21:44 · Revised 2026.10.13 22:40
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