The Collaborative International Dictionary of English v.0.48:
Exhale \Ex*hale"\ ([e^]ks*h[=a]l" or [e^]gz*[=a]l"), v. t. [imp.
   & p. p. Exaled, p. pr. & vb. n.. Exaling.] [L. exhalare;
   ex out + halare to breathe; cf.F. exhaler. Cf. Inhale.]
   1. To breathe out. Hence: To emit, as vapor; to send out, as
      an odor; to evaporate; as, the earth exhales vapor;
      marshes exhale noxious effluvia.
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            Less fragrant scents the unfolding rose exhales.
                                                  --Pope.
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   2. To draw out; to cause to be emitted in vapor; as, the sun
      exhales the moisture of the earth.
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