| 释义 |
actinoid, a.|ˈæktɪnɔɪd|
[f. actino- + -ειδ-ής -form.]
Having the form of rays, radiated; said of a division of Zoophytes or Polypes, having the internal cavity divided by radiated partitions, as in the coral zoophytes.
1848Dana Zoophytes iv. §37, 43 Other actinoid polyps. 1860Actinolog. Brit. Introd. 22 The cnidæ, in the Actinoid Zoophytes, are not confined to one organ or set of organs. |