'Thermobarometer' definitions:

Definition of 'Thermobarometer'

From: GCIDE

Thermobarometer \Ther`mo*ba*rom"e*ter\, n. [Thermo- + barometer.]
1. (Physics) An instrument for determining altitudes by the boiling point of water. [1913 Webster]
2. A siphon barometer adapted to be used also as a thermometer. [Webster 1913 Suppl.]