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ulmin

noun

  1. A brown amorphous substance found in decaying vegetation.

    countable, uncountable

    The biological features of perennial grasses involve the decomposition of their residues during the period of domination of anaerobic processes, capable of producing active humus (ulminic acid and ulmin).

Where it comes from

Latin ulmus (โ€œelmโ€), + -in: compare French ulmine.

Adapted from the Wiktionary entry ulmin (CC BY-SA 4.0).

โ† ullageultracrepidate โ†’

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