plutonium=البلوتونيوم

plutonium=البلوتونيوم

ONLINE ETYMOLOGY DICTIONARY:

plutonium (n.)

1942, from Pluto, the planet, + element ending -ium. Discovered at University of California, Berkeley, in 1941, the element named on suggestion of Seaborg and Wahl because it follows neptunium in the periodic table as Pluto follows Neptune in the Solar System. The name plutonium had been proposed for barium and was sometimes used in this sense early 19c.

Pluto

Roman god of the underworld, brother of Zeus and Neptune, from L. Pluto, from Gk. Plouton "god of wealth," lit. "wealth, riches," probably originally "overflowing," from PIE *pleu- "to flow" (see pluvial). The planet (since downgraded) was discovered 1930 by C.W. Tombaugh; Minerva also was suggested as a name for it. The cartoon dog first appeared in Walt Disney's "Moose Hunt," released April 1931.