窒
窒·nitrogen, suffocate, block up
- On-yomi
- チツ
- Kun-yomi
- none
By Nihongo PathUpdated
Stroke order
Write it in this order; the numbers mark where each stroke starts.
Common words
| Word | Reading | Meaning |
|---|---|---|
| 窒素 | ちっそ | nitrogen |
| 窒息 | ちっそく | suffocation |
| 窒息死 | ちっそくし | death by suffocation |
| 液体窒素 | えきたいちっそ | liquid nitrogen |
Example sentences
空気の約八割は窒素である。
くうきのやくはちわりはちっそである。
About eighty percent of air is nitrogen.
煙で窒息しそうになった。
けむりでちっそくしそうになった。
I nearly suffocated from the smoke.
標本は液体窒素で冷やして保存する。
ひょうほんはえきたいちっそでひやしてほぞんする。
The specimens are preserved by cooling them in liquid nitrogen.
Similar-looking kanji
Do not confuse these on the exam.
Common mistakes
- Reading 窒素 as ちつそ — it is ちっそ with a small tsu
- Writing 室素 for 窒素 — the element needs the hole radical 穴
Memory aid
Picture it
The hole radical 穴 over 至 (to reach the end): the opening is stopped up right to the end, so no air gets through — suffocation.
Vocabulary using this kanji
Quick check
1 / 2Multiple choiceDifficulty 4 of 5
What does the kanji 窒 mean?