a colorless corrosive liquid, HI, an aqueous solution of hydrogen iodide.
Origin of hydriodic acid
First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the colourless or pale yellow aqueous solution of hydrogen iodide: a strong acid
Word Origin for hydriodic acid
C19: from hydro- + iodic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012