thiophosphoric acid

noun

thio·​phosphoric acid

"+…-

: any of a series of acids derived from the phosphoric acids by replacement of one or more atoms of oxygen with sulfur

especially : the mono-thio orthophosphoric acid H₃PO₃S obtained as a concentrated solution at low temperature or in the form of salts and esters

Word History

Etymology

thiophosphoric from thi- + phosphoric

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now