a. Capable of being exhaled or evaporated. Boyle. [ 1913 Webster ]

a. [ Cf. F. exhalant. ] Having the quality of exhaling or evaporating. [ 1913 Webster ]

n. [ L. exhalatio: cf. F. exhalaison, exhalation. ] 1. The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation. [ 1913 Webster ]

2. That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc. [ 1913 Webster ]

Ye mists and exhalations, that now rise
From hill or steaming lake. Milton. [ 1913 Webster ]

3. A bright phenomenon; a meteor. [ archaic ] [ 1913 Webster +PJC ]

I shall fall
Like a bright exhalation in the evening. Shak. [ 1913 Webster ]

v. i. To rise or be given off, as vapor; to pass off, or vanish. [ 1913 Webster ]

Their inspiration exhaled in elegies. Prescott. [ 1913 Webster ]

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. [ 1913 Webster ]

Less fragrant scents the unfolding rose exhales. Pope. [ 1913 Webster ]

2. To draw out; to cause to be emitted in vapor; as, the sun exhales the moisture of the earth. [ 1913 Webster ]

n. Exhalation. [ Obs. ] [ 1913 Webster ]

n. Exhalation. [ R. ] [ 1913 Webster ]

adj. breathing out; exhalation{ 1 }. [ WordNet 1.5 ]