Definitions

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a weak soluble dibasic acid (the parent acid of cyanamide salts)

Etymologies

Sorry, no etymologies found.

Examples

  • There are several sources of nitrogen for fertilizer purposes: mineral nitrates, nitrogen taken from the air by certain plants with the aid of bacteria and plowed into the soil, nitrogen taken directly from the air by combining nitrogen and oxygen atoms in an electric arc, or by combining nitrogen and hydrogen to form ammonia, nitrogen taken from the air to make a compound of calcium, carbon, and nitrogen (cyanamid), nitrogen saved from coal in the form of ammonia as a by-product of coke-manufacture, and nitrogen from various organic wastes.

    The Economic Aspect of Geology

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