| 单词 | humic acid |
| 释义 | humic acidnouna brown, melanin-tinted mixture of polymers, found in lignite, peat, and soils, where it acts as a cation exchange agent: used in drilling fluids and inks. Origin of humic acidFirst recorded in 1835–45 Words nearby humic acidhumeroscapular, humeroulnar, humerus, Hume's law, humic, humic acid, humicole, humicolous, humid, humidex, humidifier Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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