| 单词 |
formaldehyde |
| 释义 |
formaldehyde Chem.|fɔːˈmældɪhaɪd|
[f. form- + aldehyde.]
A choking gas, CH2O, usually prepared as an aqueous solution, and used as a preservative, an antiseptic, and in large quantities as a raw material in the chemical and plastics industries.
1872Jrnl. Chem. Soc. XXV. 234 (heading) Reduction of formic acid to formaldehyde and methyl alcohol. 1894Athenæum 11 Aug. 199/1 Last year a patent was granted for a solution of formaldehyde as a new antiseptic material, under the name of ‘formalin’. 1947R. L. Wakeman Chem. Commercial Plastics iii. 28 Formaldehyde, made by oxidation of methanol, is an essential component of all of the large volume thermosetting resins now produced. 1957New Scientist 9 May 11/2 Salk and his colleagues..had shown that poliomyelitis viruses could be grown in tissue culture in bulk and treated with formaldehyde to make a vaccine. 1958Times Rev. Industry Feb. 77/1 Monsanto Chemicals (Australia) has announced that its latest formaldehyde unit will double the capacity of the plant laid down some years ago. |
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