The Collaborative International Dictionary of English v.0.48:

Sublimate \Sub"li*mate\, n. [LL. sublimatum.] (Chem.)
   A product obtained by sublimation; hence, also, a purified
   product so obtained.
   [1913 Webster]

   Corrosive sublimate. (Chem.) mercuric chloride. See
      Corrosive sublimate under Corrosive.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sublimate \Sub"li*mate\, a. [LL. sublimatus.]
   Brought into a state of vapor by heat, and again condensed as
   a solid.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sublimate \Sub"li*mate\, v. t. [imp. & p. p. Sublimated; p.
   pr. & vb. n. Sublimating.] [L. sublimatus, p. p. of
   sublimare to raise, elevate, fr. sublimis high: cf. F.
   sublimer. See Sublime, a., and cf. Surlime, v. t.]
   1. To bring by heat into the state of vapor, which, on
      cooling, returns again to the solid state; as, to
      sublimate sulphur or camphor.
      [1913 Webster]

   2. To refine and exalt; to heighten; to elevate.
      [1913 Webster]

            The precepts of Christianity are . . . so apt to
            cleanse and sublimate the more gross and corrupt.
                                                  --Dr. H. More.
      [1913 Webster]

   3. (Psychology) To redirect the energy (of sexual or other
      biological drives) into a more socially acceptable or
      constructive form.
      [PJC]

WordNet (r) 3.0 (2006):

sublimate
    adj 1: made pure
    n 1: the product of vaporization of a solid
    v 1: direct energy or urges into useful activities
    2: make more subtle or refined [syn: rarefy, sublimate,
       subtilize]
    3: remove impurities from, increase the concentration of, and
       separate through the process of distillation; "purify the
       water" [syn: purify, sublimate, make pure, distill]
    4: change or cause to change directly from a solid into a vapor
       without first melting; "sublime iodine"; "some salts sublime
       when heated" [syn: sublime, sublimate]
    5: vaporize and then condense right back again [syn: sublime,
       sublimate]