Table of Contents
Synonyms
Antonyms
1. actinoid
adjective. having a radial form.
Synonyms
- actinomorphic
Antonyms
- inactivity
- zygomorphous
Featured Games
2. actinoid
noun. any of a series of radioactive elements with atomic numbers 89 through 103.
Synonyms
- grouping
- actinide
- actinon