: a metallic radioactive chemical element that is only produced artificially and that is used in spectrometers and in thermoelectric generators on spacecraft see Chemical Elements Table

Examples of curium in a Sentence

Recent Examples on the Web
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The heaviest stable element that can be combined with calcium 48 (20 protons) is curium (96 protons), resulting in livermorium (116 protons). Max Springer, Scientific American, 24 July 2024 Why are helium, curium, and barium the three main medical elements? Olivia Muenter, Woman's Day, 23 Mar. 2023

Word History

Etymology

New Latin, from Marie & Pierre Curie

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of curium was in 1946

Browse Nearby Words

Cite this Entry

“Curium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/curium. Accessed 7 Apr. 2025.

Kids Definition

: a metallic radioactive element artificially produced see element

Medical Definition

: a metallic radioactive element produced artificially
symbol Cm
see Chemical Elements Table

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