You know what it looks like… but what is it called?
TAKE THE QUIZ“Pentathionic”
We have one entry that includes the term Pentathionic.
pentathionic acid
noun: the thionic acid H2S5O6 containing five atoms of sulfur in the molecule
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- The business’s new computer system proved not to be a panacea.
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Merriam-Webster unabridged