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English dictionary
Info: This web site is based on WordNet 3.0 from Princeton University.
English
noun
:
humic acid
1.
humic acid
(substance)
a dark brown humic substance that is soluble in water only at pH values greater than 2
Samples
The half-life of humic acid is measured in centuries.
Broader (hypernym)
humic substance
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
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