The Collaborative International Dictionary of English v.0.48:

Hydriodic \Hy`dri*od"ic\, a. [Hydr- + iodic: cf. F.
   hydriodique.] (Chem.)
   Pertaining to, or derived from, hydrogen and iodine; -- said
   of an acid (HI) produced by the combination of these
   elements.
   [1913 Webster]

   Hydriodic acid (Chem.), a pungent, colorless gas, HI,
      usually prepared as a solution in water. It is strong
      reducing agent. Called also hydrogen iodide.
      [1913 Webster]

WordNet (r) 3.0 (2006):

hi
    n 1: an expression of greeting; "every morning they exchanged
         polite hellos" [syn: hello, hullo, hi, howdy, how-
         do-you-do]
    2: a state in the United States in the central Pacific on the
       Hawaiian Islands [syn: Hawaii, Hawai'i, Aloha State,
       HI]

The Free On-line Dictionary of Computing (19 January 2023):

hi

   hmake interactive