transuranic element

Also trans·u·rani·um element

[trans-yoo-ran-ik, tranz-, trans-, tranz-]

noun

Chemistry, Physics.

1. any element having an atomic number greater than 92, the atomic number of uranium. All such elements are radioactive and can be synthesized by bombarding a heavy element with a light particle or element.

Word History and Origins

Origin of transuranic element¹

First recorded in 1930–35; trans- + uran(ium) + -ic

Example Sentences

Its basis is a transuranic element, which is, however, only slightly radioactive.

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