thermobarometer

== English == === Etymology === From thermo- +‎ barometer. === Noun === thermobarometer (plural thermobarometers) (obsolete, physics) An instrument that measured altitudes via the boiling point of water. (geology) A mineral used to estimate temperature and pressure in the rocks during its formation. ==== Related terms ==== thermobarometry === Further reading === “thermobarometer”, in OneLook Dictionary Search.