microbarograph

American  

[mahy-kruh-bahr-uh-graf, -grahf] / ˌmaɪ krəˈbɑr əˌgræf, -ˌgrɑf /

noun

Meteorology.

1. a barograph for recording minute fluctuations of atmospheric pressure.

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microbarograph British  

/ -ˌɡræf, ˌmaɪkrəʊˈbærəˌɡrɑːf /

noun

1. a barograph that records minute changes in atmospheric pressure

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microbarograph Scientific  

/ mī′krō-băr′ə-grăf′ /

1. A high-precision barograph, capable of resolving pressure differences with an accuracy of microbars.

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Etymology

Origin of microbarograph

First recorded in 1900–05; micro- + barograph

Example Sentences

A clear reading from a microbarograph gives a good estimate of an explosion's punch.

From Time Magazine Archive

Last week in London, Seismologists Eric Carpenter, George Harwood and Thomas Whiteside reported how the bomb waves looked when they were recorded on the microbarograph at Britain's Atomic Weapons Research Establishment.

From Time Magazine Archive