thio acid

noun

ˈthī-ō-

: an acid in which oxygen is partly or wholly replaced by sulfur

Word History

Etymology

International Scientific Vocabulary, from thi-

First Known Use

1876, in the meaning defined above

Time Traveler

The first known use of thio acid was in 1876

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Cite this Entry

Style

“Thio acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thio%20acid. Accessed 26 Jul. 2025.

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Medical Definition

thio acid

noun

: an acid in which oxygen is partly or wholly replaced by sulfur

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