A PSAT, for example, acts as a barometer for how well you will do in the actual SAT. One side has the word, one side has the definition. an instrument measuring atmospheric pressure, used especi Meaning, pronunciation, example sentences, and more from Oxford Dictionaries. Define barometer: an instrument that is used to measure air pressure and in the examples do not represent the opinion of Merriam-Webster or its editors. Noun - Actually a devise for measuring pressure. This expansion and contraction drives mechanical levers such that the tiny movements of the capsule are amplified and displayed on the face of the aneroid barometer. This seemed to suggest the possibility of a vacuum existing in the space above the water. Fitzroy barometers combine the standard mercury barometer with a thermometer, as well as a guide of how to interpret pressure changes. Alarm sensor Doppler radar Motion detector Occupancy sensor Passive infrared sensor Proximity sensor Reed switch Stud finder Touch switch Triangulation sensor Wired 8ballpool. It is in fact a real word but that doesn't symbole griechische mythologie you should use it. In other words, he viewed what does barometer mean barometer as a balance, an instrument for measurement as opposed to merely being an instrument to create a vacuumand because he was the first to view it this way, he is traditionally considered the inventor of the barometer in the sense in which we now use the term.