%alation%

n. a reduction in intensity (of a crisis or a war). [ WordNet 1.5 ]

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 ]

n. (Photog.) An appearance as of a halo of light, surrounding the edges of dark objects in a photographic picture. [ 1913 Webster ]

n. [ Cf. F. inhalation. ] The act of inhaling; also, that which is inhaled. [ 1913 Webster ]

n. [ L. intercalatio: cf. F. intercalation. ] [ 1913 Webster ]

1. (Chron.) The insertion of a day, or other portion of time, in a calendar. [ 1913 Webster ]

2. The insertion or introduction of anything among others, as the insertion of a phrase, line, or verse in a metrical composition; specif. (Geol.), the intrusion of a bed or layer between other layers. [ 1913 Webster ]

Intercalations of fresh-water species in some localities. Mantell. [ 1913 Webster ]