AEROSIDERITE
A`ër*o*sid"er*ite (, n. Etym: [Aëro- + siderite.] (Meteor.)

Defn: A mass of meteoric iron.

AEROSPHERE
A"ër*o*sphere (, n. Etym: [Aëro- + sphere: cf. F. aérosphère.]

Defn: The atmosphere. [R.]

AEROSTAT
A"ër*o*stat (, n. Etym: [F. aérostat, fr. Gr. Statics.]

1. A balloon.

2. A balloonist; an aëronaut.

AEROSTATIC; AEROSTATICAL A`ër*o*stat"ic (, A`ër*o*stat"ic*al (, a. Etym: [Aëro- + Gr. aérostatique. See Statical, Statics.]

1. Of or pertaining to aërostatics; pneumatic.

2. Aëronautic; as, an aërostatic voyage.