nitrogen
Chemical element with symbol N and atomic number 7. Used in scientific and everyday contexts.
空気の約78%は窒素です。
About 78% of air is nitrogen.
About 78% of the atmosphere consists of nitrogen.
液体窒素はとても冷たい。
Liquid nitrogen is very cold.
The inside of the package is filled with nitrogen to preserve the food.
Injecting nitrogen into tires stabilizes the air pressure.
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.
liquid nitrogen
nitrogen narcosis
nitrogen metabolism
nitrogen fixation
nitrogen cycle
Standard kanji spelling for nitrogen.
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.
nitrogen dioxide
molecular nitrogen