What does anemograph mean?
An anemograph is a meteorological instrument designed to record wind conditions automatically and continuously. Unlike a simple anemometer, which merely indicates wind speed at any given moment, an anemograph couples the measuring apparatus to a writing mechanism so that variations in wind velocity — and frequently direction — are inscribed as a continuous line on a rotating paper chart or drum. The resulting trace allows meteorologists to study gust patterns, storm intensity, and diurnal wind cycles after the fact. The word derives from the Greek 'anemos', meaning wind, combined with '-graph', denoting a device that writes or records; it belongs to a family of self-recording scientific instruments such as the barograph and hygrograph, developed largely in the nineteenth century. Though largely superseded by electronic data logging, the anemograph remains a recognised term in professional meteorology and the history of scientific instrumentation.
nounA scientific instrument that automatically records the speed and often the direction of the wind over time, typically on a chart. It combines a wind-measuring sensor with a recording mechanism, producing a continuous written trace of wind activity.
- A self-recording instrument that measures and continuously records wind speed, and sometimes wind direction, on a chart or drum.
"The weather station's anemograph traced every gust of the storm on its rotating drum."
"The harbour master consulted the anemograph before deciding whether to close the port to small craft."
"Meteorologists compared the anemograph traces from several coastal stations to reconstruct the hurricane's path."
Standard plural; used when referring to multiple instruments or their output charts collectively.
"The network's coastal anemographs provided a detailed picture of the storm's winds."
Before digital sensors, an anemograph drew the storm's fury in real time — a pen scratching out every gust onto a slowly turning paper drum.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of anemograph
The word anemograph is formed from the ancient Greek 'anemos' (ἄνεμος), meaning wind, joined to the suffix '-graph', from 'graphein', to write. It emerged alongside other self-recording meteorological instruments during the nineteenth century, when inventors sought devices that could register atmospheric phenomena continuously without human observation. Its cognates include the barograph, which records air pressure, and the anemometer, which shares the same Greek root for wind.
Related word forms
How anemograph is actually used
A technical term used mainly in meteorology and by weather professionals; rarely encountered in everyday conversation. Historically associated with mechanical instruments using pens and rotating drums, many now replaced by electronic data loggers.
Easily confused with anemograph
An anemometer measures wind speed at a given moment, whereas an anemograph also records those measurements continuously on paper or another medium.
A barograph records atmospheric pressure on a chart, while an anemograph records wind speed and direction.