aluminum 26


: a heavy radioactive isotope of aluminum of mass number 26 that is found in meteorites
The aluminum 26 is thought to originate mostly in supernova explosions, where rapid nuclear reactions build up a wide variety of heavy atomic nuclei.Neil Gehrels, Scientific American, December 1993

Word History

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of aluminum 26 was in 1954

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Dictionary Entries Near aluminum 26

Cite this Entry

“Aluminum 26.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2023.

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