hexabarium

== English == === Etymology === From hexa- +‎ barium. === Pronunciation === (Received Pronunciation) IPA(key): /ˌhɛk.səˈbɛəɹi.əm/ (General American) IPA(key): /ˌhɛk.səˈbɛɹi.əm/ Rhymes: -ɛəɹiəm === Noun === hexabarium (uncountable) (chemistry, in combination) Six atoms of barium in a chemical compound.