| 单词 | formic acid |
| 释义 | formic acid in British Englishnoun a colourless corrosive liquid carboxylic acid found in some insects, esp ants, and many plants: used in dyeing textiles and the manufacture of insecticides and refrigerants. Formula: HCOOH Systematic name: methanoic acidformic acid in American Englishnoun Chemistry & Pharmacology a colorless, irritating, fuming, water-soluble liquid, CH2O2, originally obtained from ants and now manufactured synthetically, used in dyeing and tanning and in medicine chiefly as a counterirritant and astringent Word origin [1785–95]This word is first recorded in the period 1785–95. Other words that entered Englishat around the same time include: crossover, dualism, initiative, nitrogen, preemptiveExamples of 'formic acid' in a sentence |
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