Origin of trivalent
Related formstri·va·lence, tri·va·len·cy, noun
Examples from the Web for trivalent
Write the general formula of an alum, representing an atom of an alkali metal by X and an atom of a trivalent metal by Y.
Similarly, a trivalent atom, such as that of Nitrogen, can unite with three monovalent atoms.The Making of Species|Douglas Dewar
The trivalent metals, which in addition to aluminium include also iron and chromium, are sometimes called the earth metals.
It can also act as a trivalent metal, and in this condition forms salts similar to those of aluminium.
Antimony acts as a trivalent element in the formation of a chloride.