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humic

[hyoo-mik or, often, yoo-]
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adjective Chemistry.
  1. of or noting a substance, as an acid, obtained from humus.
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Origin of humic

1835–45; < Latin hum(us) ground, mould + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for humic

Historical Examples

  • Humic, hū′mik, adj. denoting an acid formed by the action of alkalies on humus or mould.

    Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)

    Various

  • The residues, which are insoluble in water, but redissolve in ammonia, have the properties of humic acids.

  • This deposit, if obtained from light brown peat, is ulmic acid; if from black peat, it is humic acid.

  • A small portion of nitrogen unites with hydrogen, forming ammonia, which remains combined with the humic and other acids.

  • This solvent separates the humic and ulmic acids from the undecomposed vegetable fibers.

British Dictionary definitions for humic

humic

adjective
  1. of, relating to, derived from, or resembling humushumic acids
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Word Origin

C19: from Latin humus ground + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012