| 单词 | dioxybenzene |
| 释义 | > as lemmasdioxybenzene A combining form expressing the presence in a compound of two atoms of oxygen; spec. the presence in an organic compound of two equivalents of the monad radical hydroxyl (OH) taking the place of two atoms of hydrogen, as dioxy-acid, dioxybenzene, C6H4(OH)2 (benzene being C6H6). ΚΠ 1877 H. Watts Fownes's Man. Elem. Chem. (ed. 12) II. 541 Two dioxy~benzoic acids are obtained by fusing the two disulpho~benzoic acids with potassium hydroxide. One of these dioxy-acids forms crystals..not coloured by ferric chloride. < as lemmas |
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