PROMETHIUM

promethium, Pm, atomic number

(noun) a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium

Source: WordNet® 3.1


Etymology

Noun

promethium (uncountable)

A metallic chemical element (symbol Pm) with an atomic number of 61.

Synonyms

• (metallic element): (disused) cyclonium, (disused) florentium, (disused) illinium

Source: Wiktionary



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Word of the Day

11 February 2025

ALEWIFE

(noun) shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus


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Coffee Trivia

Coffee has initially been a food – chewed, not sipped. Early African tribes consume coffee by grinding the berries together, adding some animal fat, and rolling the treats into tiny edible energy balls.

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