IPA(key): [ˈprɔtɔni] <span class="searchmatch">протони</span> • (protoni) indefinite plural of протон (proton)...
[ˈprɔtɔn] IPA(key): [prɔˈtɔn] (nonstandard) протон • (proton) m (plural <span class="searchmatch">протони</span>) proton Russian Wikipedia has an article on: протон Wikipedia ru IPA(key):...