| 单词 |
trioxy- |
| 释义 |
trioxy- Chem.|traɪˈɒksɪ|
[f. tri- 5 + oxy-2.]
A formative denoting the presence of three atoms of oxygen in a compound; most commonly used as a substitute for trihydroxy-, denoting that three hydroxyl groups, OH, have replaced three hydrogen atoms in the compound designated by the rest of the name; trioxyˈmethylene = trioxan.
Thus pyrogallol, C6H3(OH)3, is one of the three trioxybenzenes, being derived from benzene, C6H6, by the replacement of three hydrogen atoms by three OH groups.
1863Fownes' Chem. (ed. 9) 494 Trioxethylenamine. 1880Miller Elem. Chem. III. 552 Trioxynaphthalene: C10H5(OH)3, is formed in a similar manner. 1880Jrnl. Chem. Soc. XXXVIII. 25 The distillate left a white amorphous residue..which proved to be identical with trioxymethylene, C3H6O3. 1900Smith Richter's Org. Chem. (ed. 3) II. 230 Trioxybenzoic acids, (HO)3C6H2CO2H. Three of the six possible isomerides are known. 1964N. G. Clark Mod. Org. Chem. x. 188 On distilling aqueous formaldehyde with a trace of sulphuric acid, trioxan (‘trioxymethylene’) is obtained. |
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单词 Trip 释义 Trip, n.5|trp|Colloq. abbrev. of tripos 2 d.1909R. Brooke Let. 18 May (1968......