Actinoid
/ˈæktɪnɔɪd/ adj, noun
adj, noun ·Rare ·Advanced level
Definitions
Noun
- 1 actinide
- 2 any of a series of radioactive elements with atomic numbers 89 through 103 wordnet
Adjective
- 1 Having the form of rays; radiated, as in the species of the family Actiniidae.
Adjective
- 1 having a radial form wordnet
Synonyms
All synonymsAntonyms
All antonymsEtymology
From actin- + -oid.