Eridanus

noun
Erid·​a·​nus | \ i-ˈri-də-nəs How to pronounce Eridanus (audio) \

Definition of Eridanus

astronomy
: a southern constellation that is visible stretching between the constellations of Orion and Phoenix and that is represented by the figure of a river How can you tell whether a galaxy is turned on or not? A team of astronomers set out to answer that question by making a series of detailed radio, infrared, optical, and spectroscopic observations of an unusual spiral galaxy in Eridanus.Astronomy, August 1990

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First Known Use of Eridanus

1599, in the meaning defined above

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The first known use of Eridanus was in 1599

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Dictionary Entries Near Eridanus

Ericsson

Eridanus

Erie

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Cite this Entry

“Eridanus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Eridanus. Accessed 1 Aug. 2021.

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