plural -s
: a mineral consisting of a secondary hydrous sodium calcium uranium carbonate Na2Ca(UO2)(CO3)3·6H2O found in the uranium districts of the western U.S.

Word History


Charles A. Anderson, †1990 U.S. geologist + -ite entry 1

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of andersonite was in 1951

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Cite this Entry

“Andersonite.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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