nitrate
noun/ˈnaɪtreɪt/
/ˈnaɪtreɪt/
[uncountable, countable] (chemistry)- a compound containing nitrogen and oxygen. There are several different nitrates and they are used especially to make soil better for growing crops.
- We need to cut nitrate levels in water.
Word Originlate 18th cent.: from French (from nitre, from Latin nitrum, from Greek nitron + -ate).
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nitrate