interradial

American  

[in-ter-rey-dee-uhl] / ˌɪn tərˈreɪ di əl /

adjective

1. situated between the radii or rays.

   interradial petals.

---

interradial British  

/ ˌɪntəˈreɪdɪəl /

adjective

1. situated between two radii or rays, esp between the radii of a sea urchin or similar animal

---

Other Word Forms

• interradially adverb

Etymology

Origin of interradial

First recorded in 1865–70; inter- + radial

Example Sentences

Interrā′dius, an interradial part, esp. of a hydrozoan.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

This process of absorption is probably accomplished in the interradial or ciliated chambers, more probably in the former, as the latter are generally considered excretory in function.

From Scientific American Supplement, No. 601, July 9, 1887 by Various

Sub-class I. Monocyclica.—Crinoidea in which the base consists of BB only, the aboral prolongations of the chambered organ being interradial; new columnals are introduced at the extreme proximal end of the stem.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various

Diploporita.—Radial symmetry affects the food-grooves, and by degrees the thecal plates connected therewith, but not the interradial thecal plates; probably also the nerves and ambulacral vessels, but not the gonads.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various