\ ˈthī-ō-
\
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Definition of thio acid
: an acid in which oxygen is partly or wholly replaced by sulfur
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“Thio acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thio%20acid. Accessed 12 Jun. 2021.
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Time Traveler for thio acid
The first known use of thio acid was in 1876
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