<span class="searchmatch">oxycations</span> plural of <span class="searchmatch">oxycation</span>...
<span class="searchmatch">oxycation</span> (plural <span class="searchmatch">oxycations</span>) A polyatomic ion that has at least one oxygen atom and an overall positive charge....
plutonyl (uncountable) An <span class="searchmatch">oxycation</span> of plutonium in the oxidation state +6....