Aneroid

Aneroid, a barometer, consisting of a small watch-shaped, air-tight, air-exhausted metallic box, with internal spring-work and an index, affected by the pressure of the air on plates exposed to its action.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Anemometer * Aneu`rin
Andro`clus
Androm`ache
Androm`eda
Androni`cus
Andronicus, Livius
Andronicus of Rhodes
Andros
Androuet du Cerceau`
Andujar
Anemometer
Aneroid
Aneu`rin
Aneurism
Angara
Angel
Angel-fish
Angelic Doctor
Angel`ica
Angelica draught
Angelico, Fra
An`gelus