teˈtroxide Chem.
[f. tetra- 2 a + oxide.]
A binary compound containing four atoms of oxygen; e.g. nitrogen tetroxide, NO4.
| 1866 Roscoe Elem. Chem. vii. 63 The same blue body [nitric trioxide] is obtained by adding water to nitric tetroxide and drying the distillate over calcium chloride. 1872 Watts Dict. Chem. VI. 239 The tetroxide..appears..to be capable of existing in the two polymeric modifications NO2 and N2O4. |