The Collaborative International Dictionary of English v.0.48:

mercury bichloride \mercury bichloride\ n.
   the compound (HgCl2) consisting of two atoms of chlorine
   united with one atom of mercury. Also called bichloride of
   mercury, mercuric chloride, corrosive sublimate, and
   mercury perchloride. It is used as "a topical antiseptic
   and disinfectant for inanimate objects". --Stedman's 25th
   [PJC]

The Collaborative International Dictionary of English v.0.48:

Mercuric \Mer*cu"ric\, a. (Chem.)
   Of, pertaining to, or derived from, mercury; containing
   mercury; -- said of those compounds of mercury into which
   this element enters in its lowest proportion.
   [1913 Webster]

   Mercuric chloride, corrosive sublimate. See mercury
      bichloride and Corrosive.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chloride \Chlo"ride\, n. (Chem.)
   A binary compound of chlorine with another element or
   radical; as, chloride of sodium (common salt).
   [1913 Webster]

   Chloride of ammonium, sal ammoniac.

   Chloride of lime, bleaching powder; a grayish white
      substance, CaOCl2, used in bleaching and disinfecting;
      -- called more properly calcium hypochlorite. See
      Hypochlorous acid, under Hypochlorous.

   Mercuric chloride, corrosive sublimate.
      [1913 Webster]

WordNet (r) 3.0 (2006):

mercuric chloride
    n 1: a white poisonous soluble crystalline sublimate of mercury;
         used as a pesticide or antiseptic or wood preservative
         [syn: mercuric chloride, mercury chloride, bichloride
         of mercury, corrosive sublimate]