Associations to the word «Actinoid»
Wiktionary
ACTINOID, noun. (inorganic chemistry) actinide
ACTINOID, adjective. Having the form of rays; radiated, as in the species of the family Actiniidae.
Dictionary definition
ACTINOID, noun. Any of a series of radioactive elements with atomic numbers 89 through 103.
ACTINOID, adjective. Having a radial form; "starfish are actinoid--that is, they are radially symmetrical".
Wise words
The short words are best, and the old words are the best of
all.