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Meaning of adradius in English:

adradius

Pronunciation /aˈdreɪdɪəs/

noun

rare Zoology

  • In an invertebrate with radial symmetry, as a cnidarian or an echinoderm: any of the tertiary (third order) rays or axes (each located between a perradius and an interradius).

Origin

1960s; earliest use found in The Biological Bulletin. From ad- + radius.