ac·ti·nide ( k t -n d )n. Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium). [actin(ium) + -ide.] |
actinide [ˈæktɪˌnaɪd]
n
(Chemistry / Elements & Compounds) a member of the actinide series Also called actinon
[from actino- + -ide]
| actinide (kt-nd) Any of a series of chemically similar metallic elements with atomic numbers ranging from 89 (actinium) to 103 (lawrencium). All of these elements are radioactive, and two of the elements, uranium and plutonium, are used to generate nuclear energy. See Periodic Table. |
actinide - any of a series of radioactive elements with atomic numbers 89 through 103Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
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