| 单词 | pyroligneous acid |
| 释义 | > as lemmaspyroligneous acid pyroligneous acid n. a reddish brown acidic liquid consisting chiefly of acetic acid, methanol, wood-oils, and tars, produced by the destructive distillation of wood; wood vinegar. ΚΠ 1788Pyro-ligneous acid [see main sense]. 1873 E. Spon Workshop Receipts 1st Ser. 64/1 Some turpentine being drawn from green trees abound[s] with a pyroligneous acid. 1947 Thorpe's Dict. Appl. Chem. (ed. 4) VIII. 12/2 The aqueous pyroligneous acid is distilled in order to remove ‘dissolved’ tar. 2000 R. B. Gordon Landscape Transformed x. 117 Coaling wood released smoke bearing pyroligneous acid that could be a source of local air pollution. < as lemmas |
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