The word "barograph" is spelled phonetically as /ˈbærəˌɡræf/. The first syllable "bar" is pronounced like "bear" and the second syllable "o" sounds like the "a" in "cat". The "graph" is pronounced like "graf". A barograph is a scientific instrument that records atmospheric pressure over time. It is often used in weather stations to measure changes in air pressure. The accurate spelling of words like barograph is important in scientific fields to ensure clear communication and understanding.
A barograph is a scientific instrument used to measure and record atmospheric pressure over a period of time. It consists of a delicate, cylindrical drum or chart, enclosed in a glass case, that is driven by a clock mechanism. The chart is wrapped around the drum, which is mounted on an axle, and the drum rotates very slowly. At the end of the rotating drum, a pen or stylus is connected to a barometric mechanism. This mechanism is sensitive to changes in atmospheric pressure and moves the pen up and down, precisely marking those changes on the chart.
The purpose of a barograph is to provide a continuous and accurate graphical representation of atmospheric pressure variations. These recordings can be studied to gather important meteorological data, such as weather patterns, trends, and atmospheric disturbances. The chart produced by a barograph is typically a line graph that displays atmospheric pressure on the vertical axis and time on the horizontal axis.
Barographs are commonly used in weather stations, research institutions, and laboratories to monitor and analyze atmospheric pressure trends. They are particularly useful in meteorology, as they enable meteorologists to spot sudden or gradual pressure changes that can indicate changes in weather conditions. Barographs have been widely used since the late 19th century and have contributed significantly to our understanding of atmospheric behavior and weather forecasting.
A form of self-registering barometer.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "barograph" is derived from two roots: "baro" and "graph".
The root "baro" comes from the Greek word "baros" (βάρος), meaning "weight" or "pressure". It is commonly used in scientific terms related to pressure, such as "barometer" which measures atmospheric pressure.
The root "graph" comes from the Greek word "graphē" (γραφή), meaning "writing" or "record". It is often used to denote an instrument or a device that records or makes a graphical representation of something.
So, when the two roots are combined, "barograph" refers to an instrument that records and displays changes in atmospheric pressure over time, essentially providing a graphical representation of barometric pressure.