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单词 diox-
释义 diˈoxy-, diox- Chem.
[f. di-2 2 + oxy-gen.]
A combining element 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).
1877Watts Fownes' 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.
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