- raylike; radiate.
Origin of actinoid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for actinoid
Of the lowest among these orders, the Actinoid Polyps, our Actinia or sea-anemone is a good example.Seaside Studies in Natural History
Elizabeth Cabot Cary Agassiz
- having a radiate form, as a sea anemone or starfish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012