Definition of baroscope

• 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.
• 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.