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actinide

ac·ti·nide

UK/ˈæktɪnaɪd/ US/ˈæktɪˌnaɪd/ uncommon dated

noun

1.

any of a series of radioactive elements with atomic numbers 89 through 103

Synonyms

Origin

From actin- + -ide.

Related words

Word family

Broader terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.