ad·​ra·​di·​us | \ (ˈ)ad-ˈrā-dē-əs \
plural adradii\ (ˈ)ad-​ˈrā-​dē-​ˌī \ or adradiuses

Definition of adradius

: a radius of the third order in coelenterates

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First Known Use of adradius

1888, in the meaning defined above

History and Etymology for adradius

ad- + radius

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The first known use of adradius was in 1888

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Cite this Entry

“Adradius.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2020.

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