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

Speak clearly, if you speak at all; carve every word before you let it fall.
Oliver Wendell Holmes