from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A weak inorganic acid, HNO2, existing only in solution or in the form of its salts.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A weak acid, HNO2, known only in solution, or as its salts and esters, the nitrites; it has a linear structure, H-O-N=O

from the GNU version of the Collaborative International Dictionary of English

  • adj. a hypothetical acid of nitrogen HNO2, not known in the free state, but forming a well known series of salts, viz., the nitrites.

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

  • n. an unstable inorganic acid known only in solution and as nitrite salts


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