nitrogen

UK/'naɪtrədʒ(ə)n/US/'naitrәdʒәn/

IELTSTOEFLA2

Definitions

A colourless, odourless gas (symbol N) that makes up about 78% of the atmosphere

氮，氮气

Root Breakdown

Root-derived

nitro-root

-genbirth, produce, kind

=nitrogen

nitro- (niter/saltpetre) + -gen (producer) = 'niter-producer,' so named because nitrogen is a component of niter (saltpetre). The same -gen 'producer' ending as oxygen and hydrogen.

Common Collocations

1.liquid nitrogen液氮
2.nitrogen cycle氮循环
3.nitrogen fixation固氮作用

Example Sentences

1.
Nitrogen makes up most of the air we breathe.
2.
Farmers add nitrogen to the soil as fertilizer.

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