PROTOACTINIUM

protactinium, protoactinium, Pa, atomic number

(noun) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Source: WordNet® 3.1


Noun

protoactinium (uncountable)

Dated form of protactinium.

Source: Wiktionary



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Word of the Day

2 November 2024

FRUMP

(noun) a dull unattractive unpleasant girl or woman; “she got a reputation as a frump”; “she’s a real dog”


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Coffee Trivia

You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.

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