(ちっそ)

ちっそ
noun
nitrogen
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)(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)非常(ひじょう)(ひく)温度(おんど)使(つか)われる。
Liquid nitrogen is used at extremely low temperatures.
植物(しょくぶつ)成長(せいちょう)には窒素(ちっそ)(ふく)肥料(ひりょう)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 (ちっ) means "suffocate" and () means "element," reflecting the fact that nitrogen alone does not support breathing.

COMMON COLLOCATIONS:

  • 液体(えきたい)窒素(ちっそ) (liquid nitrogen)
  • 窒素(ちっそ)肥料(ひりょう) (nitrogen fertilizer)
  • 窒素(ちっそ)酸化物(さんかぶつ) (nitrogen oxides)
  • 窒素(ちっそ)固定(こてい) (nitrogen fixation)

CHEMICAL ELEMENT NAMES:

Japanese element names often use descriptive kanji:

  • 酸素(さんそ) (oxygen — "acid element")
  • 水素(すいそ) (hydrogen — "water element")
  • 炭素(たんそ) (carbon — "charcoal element")
  • 窒素(ちっそ) (nitrogen — "suffocating element")