ACTINON

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Any of a series of radioactive elements with atomic numbers 89 through 103

Synonyms:

actinide; actinoid; actinon

Classified under:

Nouns denoting substances

Hypernyms ("actinon" is a kind of...):

group; grouping (any number of entities (members) considered as a unit)

Credits