hydroscope

noun hy·dro·scope

Definition of hydroscope

:a device for enabling a person to see an object at a considerable distance below the surface of water by means of a series of mirrors enclosed in a steel tube — compare water glass

hydroscopic

or less commonly hydroscopical \-pə̇kəl\ adjective

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Origin and Etymology of hydroscope

International Scientific Vocabulary hydr- + -scope; probably originally formed as Italian idroscopio


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