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hyposulfurous

American  
[hahy-puh-suhl-fyoor-uhs, -suhl-fer-uhs] / ˌhaɪ pə sʌlˈfyʊər əs, -ˈsʌl fər əs /
Also hyposulphurous.

adjective

  1. of or derived from hyposulfurous acid.


Etymology

Origin of hyposulfurous

First recorded in 1810–20; hypo- + sulfurous