Baroscope
[bærәskәup]
Definition
(n.) Any instrument showing the changes in the weight of the atmosphere; also, less appropriately, any instrument that indicates -or foreshadows changes of the weather, as a deep vial of liquid holding in suspension some substance which rises and falls with atmospheric changes.
Checked by Evita
Definition
n. an instrument for indicating changes in the density of the air.
Checker: Michelle