This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. any fluoride containing six fluorine atoms in each molecule

"Sulfur hexafluoride is heavier than the air around us, actually 6 times denser than the surrounding air."

tungsten hexafluoride    platinum hexafluoride    sulfur hexafluoride    uranium hexafluoride    sulphur hexafluoride    xenon hexafluoride   

trioxide    yellowcake    bioassay    dichloride    doesnot    captan    adduct    streptomycin