nitrogen

n. 氮

氮N-2

學術名詞

• 氮：化學元素、高中化學、電機工程、礦冶工程、金屬材料、動物學
• 氮氣：高分子材料、海事
• 氮素：肥料學
• 氮氧：肥料學

英文釋義

1. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues