Associations to the word «Actinide»

Wiktionary

ACTINIDE, noun. (inorganic chemistry) Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides to which they have similar chemistry.

Dictionary definition

ACTINIDE, noun. Any of a series of radioactive elements with atomic numbers 89 through 103.

Wise words

A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.
Antoine de Saint-Exupery