hygrograph

American  

[hahy-gruh-graf, -grahf] / ˈhaɪ grəˌgræf, -ˌgrɑf /

noun

1. a self-recording hygrometer.

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hygrograph British  

/ ˈhaɪɡrəˌɡrɑːf, -ˌɡræf /

noun

1. an automatic hygrometer that produces a graphic record of the humidity of the air

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hygrograph Scientific  

/ hī′grə-grăf′ /

1. A hygrometer that records variations in atmospheric humidity.

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Etymology

Origin of hygrograph

First recorded in 1860–65; hygro- + -graph

Example Sentences

Besides these instruments we have a hygrograph -- we are well supplied; but this takes one of us out of doors once in the twenty-four hours.

From The South Pole; an account of the Norwegian Antarctic expedition in the "Fram," 1910-12 — Volume 1 and Volume 2 by Chater, Arthur G.

The standard thermometer, thermograph and hygrograph were to occupy one of the screens, a convenient site for which was chosen about twenty yards to the east.

From The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 by Mawson, Douglas, Sir

Besides these instruments we have a hygrograph — we are well supplied; but this takes one of us out of doors once in the twenty-four hours.

From The South Pole; an account of the Norwegian antarctic expedition in the "Fram," 1910-1912 — Volume 1 by Chater, Arthur G.

The times when the kite-meteorograph crossed the 700-metre level in ascending and descending were determined from its barograph trace, and the synchronous temperatures and humidities were read from the records of its thermograph and hygrograph.

From Sounding the Ocean of Air by Rotch, A. Lawrence