PNEUMATOGRAPH Meaning and
Definition
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A pneumatograph is a mechanical device used for recording variations in air pressure or the movements of air. It functions as a sensitive barometer or anemometer that captures and visualizes alterations in atmospheric pressure. The word "pneumatograph" combines the Greek roots "pneuma" meaning air or wind, and "grapho" meaning to write or record.
The device typically employs a metal diaphragm that expands or contracts in response to changes in air pressure. This diaphragm is connected to a stylus, which moves in correspondence to the variations in pressure. The stylus, in turn, marks a rotating drum coated with ink, paper, or other suitable materials, creating a visual representation of the recorded air pressure changes.
Pneumatographs have been utilized for diverse purposes, including meteorology, physiological research, and experimentation with air flow. These instruments are valuable in studying fluctuations in atmospheric pressure, which can provide insights into weather patterns and climate changes. In physiology, pneumatographs were also used to investigate respiratory movements, allowing scientists and medical professionals to study breathing patterns and assess lung function.
As technology progressed, pneumatographs were gradually replaced by digital sensors and instruments that provide more accurate and efficient measurements. Nonetheless, the historical significance of pneumatographs in facilitating early investigations into air pressure and movements should not be overlooked, highlighting their importance in the advancement of atmospheric and physiological sciences.
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An instrument for recording the respiratory movements; pneograph.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PNEUMATOGRAPH
- oneumatograph
- lneumatograph
- -neumatograph
- 0neumatograph
- pbeumatograph
- pmeumatograph
- pjeumatograph
- pheumatograph
- pnwumatograph
- pnsumatograph
- pndumatograph
- pnrumatograph
- pn4umatograph
- pn3umatograph
- pneymatograph
- pnehmatograph
- pnejmatograph
- pneimatograph
- pne8matograph
- pne7matograph
Etymology of PNEUMATOGRAPH
The word pneumatograph is derived from the Greek words pneuma meaning breath or spirit, and graphein meaning to write or to record. Thus, pneumatograph essentially means breath recorder or spirit writer.
