Definition of riometer in English:

riometer

noun riːˈɒmɪtə

Atmospheric Physics

An instrument for measuring the absorption of cosmic radio waves by the ionosphere.

1950s; earliest use found in Geophysics & IGY. From the initial letters of relative ionospheric opacity + -meter.

nounriːˈɒmɪtə

Atmospheric Physics

An instrument for measuring the absorption of cosmic radio waves by the ionosphere.

1950s; earliest use found in Geophysics & IGY. From the initial letters of relative ionospheric opacity + -meter.

单词	riometer
释义	Definition of riometer in English: riometer noun riːˈɒmɪtə Atmospheric Physics An instrument for measuring the absorption of cosmic radio waves by the ionosphere. Origin 1950s; earliest use found in Geophysics & IGY. From the initial letters of relative ionospheric opacity + -meter. Definition of riometer in US English: riometer nounriːˈɒmɪtə Atmospheric Physics An instrument for measuring the absorption of cosmic radio waves by the ionosphere. Origin 1950s; earliest use found in Geophysics & IGY. From the initial letters of relative ionospheric opacity + -meter.
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