From hyper- + hydrogen. <span class="searchmatch">hyperhydrogen</span> (uncountable) (physics) An atomic nucleus, an isotope of hydrogen which contains one proton and at least one uncharged...
hydrosulphide hydrosulphureted, hydrosulphuretted hydroxy- hydroxyl <span class="searchmatch">hyperhydrogen</span> kaonic hydrogen lead hydrogen arsenate metallic hydrogen monohydrogen...