hydriodic acid
noun
hy·dri·od·ic acid ˌhī-drē-ˈä-dik- 
: an aqueous solution of hydrogen iodide HI that is a strong acid and a strong reducing agent
Word History
Etymology
International Scientific Vocabulary hydr- + iodic acid
First Known Use
1816, in the meaning defined above
Medical Definition
hydriodic acid
noun
hy·dri·od·ic acid ˌhī-drē-ˌäd-ik-
: an aqueous solution of hydrogen iodide that is a strong acid resembling hydrochloric acid chemically and that is also a strong reducing agent