actinide
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actinide
- /ˈæktɪnaɪd/
noun actinides
- Any of the 15 radioactive elements of the periodic table from actinium to lawrencium that are positioned under the lanthanides, to which they have similar chemistry.
- Any of the 14 elements from actinium to nobelium (lawrencium is excluded by some authors as it is a d-block rather than an f-block element).
- Any of the 14 elements from thorium to lawrencium (actinium having been mistakenly excluded because it was thought to be a d-block element in the past).
Translations
Talk about this word "actinide." Wiktionary, via Micwyn, micwyn.com/word/actinide. Accessed 6 Nov. 2026. actinide. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/actinide "actinide." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/actinide.
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@misc{actinide_2026,
title = {actinide},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/actinide},
urldate = {2026-11-06}
}
