Any chloride containing four fluorine atoms in each molecule(noun)
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Use "tetrafluoride" in a sentence
"When you're making phosphate fertilizers ... the process generates two very toxic gasses: hydrogen fluoride and silicon tetrafluoride."
"The metal can also be produced by electrolysis of KUF5 or uranium tetrafluoride (UF4), dissolved in a molten mixture of calcium chloride (CaCl2) and sodium chloride (NaCl)."
"Uranium tetrafluoride (UF4) is frequently produced as an intermediate in the processing of uranium."