PROTACTINIUM

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


Etymology

Noun

protactinium (uncountable)

A chemical element (symbol Pa) with atomic number 91: a dense, silvery-gray actinide metal.

Synonyms

• protoactinium (dated)

Source: Wiktionary



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Word of the Day

1 July 2024

DRIVE

(verb) cause someone or something to move by driving; “She drove me to school every day”; “We drove the car to the garage”


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Coffee Trivia

According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.

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