A barograph is an instrument that measures atmospheric pressure over time. It is a recording barometer that continuously records changes in pressure on a rotating drum, producing a graph known as a barogram. The instrument is commonly used in weather forecasting, aviation, and marine navigation.
Definitions
A barograph is defined as an instrument that records changes in atmospheric pressure over time. It is a mechanical device that uses a pen or stylus to trace the pressure changes on a rotating drum or chart.
Origin
The word barograph has its roots in the Greek words “baros,” meaning weight or pressure, and “graphos,” meaning writing or recording. The first barograph was invented in the mid-19th century by French scientist Lucien Vidi. He used a rotating drum and a stylus to record pressure changes on a chart.
Meaning in different dictionaries
According to the Oxford English Dictionary, a barograph is “an instrument for continuously recording atmospheric pressure.” The Merriam-Webster Dictionary defines it as “an instrument for recording changes in atmospheric pressure over time.”
Associations
A barograph is commonly associated with weather forecasting, aviation, and marine navigation. It is used by meteorologists to monitor changes in atmospheric pressure and predict weather patterns. Pilots use barographs to monitor changes in altitude and air pressure during flight. Mariners use barographs to monitor changes in barometric pressure and predict weather conditions at sea.
Synonyms
Synonyms for barograph include recording barometer, pressure recorder, and atmospheric pressure recorder.
Antonyms
There are no direct antonyms for barograph, but other types of barometers, such as the aneroid barometer, do not record pressure changes over time.
The same root words
Other words with the same root words as barograph include barometer, barometric, and barometry.
Example Sentences
- The barograph recorded a sudden drop in atmospheric pressure, indicating an approaching storm.
- The pilot used the barograph to monitor changes in air pressure during the flight.
- The barograph was an essential tool for the mariners to predict the weather at sea.
- The meteorologist relied on the barograph to monitor changes in atmospheric pressure and predict weather patterns.
- The barograph produced a barogram, which showed the changes in atmospheric pressure over time.