Definition of actinoid Actinoid
ac•ti•noid
We found 5 definitions of actinoid from 4 different sources.
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What does actinoid mean?
WordNet
Adjective |
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| actinoid - having a radial form; "starfish are actinoid--that is, they are radially symmetrical" |
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Wiktionary 
- actinoid (Noun)
actinide. - actinoid (Adjective)
Having the form of rays; radiated, as in the species of the family Actiniidae.
Webster DictionaryWebster's Unabridged Dictionary 📘
- actinoid (a.)
Having the form of rays; radiated, as an actinia.
Wikipedia 
- The actinide series is the 15 chemical elements between actinium and lawrencium on the periodic table. They have the atomic numbers between 89 - 103. The actinide series is named after actinium. All of the elements are radioactive.
