hygrograph

[ hahy-gruh-graf, -grahf ]

noun

1. a self-recording hygrometer.

hygrograph

/ ˈhaɪɡrəˌɡrɑːf; -ˌɡræf /

noun

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

hygrograph

/ hī′grə-grăf′ /

1. A hygrometer that records variations in atmospheric humidity.

Word History and Origins

Origin of hygrograph¹

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

Example Sentences

This and other types of hygrometer can be arranged to record their own readings continuously, constituting a hygrograph.

From Project Gutenberg