- 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