| 释义 |
Definition of picric acid in English: picric acidnounˈpɪkrɪkˌpikrik ˈasid mass nounChemistry A bitter yellow compound obtained by nitrating phenol, used as a dye and in the manufacture of explosives. Alternative name: 2,4,6-trinitrophenol; chemical formula: C₆H₂(NO₂)₃OH Example sentencesExamples - Nitrogen is an important component of common chemical explosives like TNT, nitroglycerin, gunpowder, guncotton, nitrocellulose, picric acid, and ammonium nitrate.
- A council report carried out by Environmental Health officers picked out hot-spots of contamination with cancer-causing asbestos spores and toxic picric acid among the chemicals identified.
- In addition, some of the chemicals could be hazardous: picric acid was explosive, and the arsenic compounds could be toxic to the wearer.
- Other possible inhibitors are unusual fixatives, such as B5 or any solution containing picric acid.
- Marks recounts how some painted their legs and arms vivid yellow with picric acid to protect against sunburn.
Origin Mid 19th century: picric from Greek pikros 'bitter' + -ic. Definition of picric acid in US English: picric acidnounˌpikrik ˈasid Chemistry A bitter yellow compound obtained by nitrating phenol, used as a dye and in the manufacture of explosives. Alternative name: 2,4,6-trinitrophenol; chemical formula: C₆H₂(NO₂)₃OH Example sentencesExamples - Other possible inhibitors are unusual fixatives, such as B5 or any solution containing picric acid.
- Nitrogen is an important component of common chemical explosives like TNT, nitroglycerin, gunpowder, guncotton, nitrocellulose, picric acid, and ammonium nitrate.
- Marks recounts how some painted their legs and arms vivid yellow with picric acid to protect against sunburn.
- In addition, some of the chemicals could be hazardous: picric acid was explosive, and the arsenic compounds could be toxic to the wearer.
- A council report carried out by Environmental Health officers picked out hot-spots of contamination with cancer-causing asbestos spores and toxic picric acid among the chemicals identified.
Origin Mid 19th century: picric from Greek pikros ‘bitter’ + -ic. |