The Collaborative International Dictionary of English v.0.48:

Aerosphere \A"["e]r*o*sphere\, n. [A["e]ro- + sphere: cf. F.
   a['e]rosph[`e]re.]
   The atmosphere. [R.]
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "aerosphere":
   CAT, aerospace, air hole, air pocket, airspace, atmosphere,
   biosphere, bump, ceiling, crosswind, ecosphere, empty space,
   favorable wind, fog, front, gaseous envelope, head wind,
   high-pressure area, hole, ionosphere, jetstream, lift,
   low-pressure area, noosphere, overcast, pocket, roughness, soup,
   space, stratosphere, substratosphere, tail wind, tropopause,
   troposphere, trough, turbulence, visibility, visibility zero,
   welkin