Definition of "humin" [hu•min]

• The part of the organic matter in soil that does not dissolve in dilute alkali (noun)

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• "At one particular stage of the process it is converted into one or other of two substances, called humin and ulmin, both insoluble in alkalies, and apparently identical with the insoluble humus of the soil; but when the decomposition is more advanced the products become soluble in alkalies, and then contain humic, ulmic, and geic acids, and finally, by a still further progress, crenic and apocrenic acids are formed as the result of an oxidation occurring at certain periods of the decay."
• "Ai wuz bizittin mi neece todai, hu haz teh free weke owld babeh humin boi."
• "August 4, 2009 at 6:12 am humin must touch kitteh only wen kitteh wants to b touched"